Panel – Build Information – Swift Package Index

Track the adoption of Swift 6 strict concurrency checks for data race safety. How many packages are Ready for Swift 6?

Build Information

Failed to build Panel with Swift 5.9 for macOS (SPM).

Build Command

Build command unavailable

Build Log

    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:141:40: error: 'system(size:weight:design:)' is only available in macOS 13.0 or newer
                                .font(.system(size: 20))
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:141:40: note: add 'if #available' version check
                                .font(.system(size: 20))
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:144:22: error: 'padding' is only available in macOS 10.15 or newer
                    .padding([.top, .trailing], 24)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:144:22: note: add 'if #available' version check
                    .padding([.top, .trailing], 24)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:132:17: error: 'buildIf' is only available in macOS 10.15 or newer
                {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:132:17: note: add 'if #available' version check
                {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:145:17: error: 'buildIf' is only available in macOS 10.15 or newer
                }
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:145:17: note: add 'if #available' version check
                }
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:147:14: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
            .frame(maxWidth: .infinity, alignment: .bottom)
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:147:14: note: add 'if #available' version check
            .frame(maxWidth: .infinity, alignment: .bottom)
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:147:53: error: 'bottom' is only available in macOS 10.15 or newer
            .frame(maxWidth: .infinity, alignment: .bottom)
                                                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:147:53: note: add 'if #available' version check
            .frame(maxWidth: .infinity, alignment: .bottom)
                                                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:148:14: error: 'background(_:alignment:)' is only available in macOS 10.15 or newer
            .background(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:148:14: note: add 'if #available' version check
            .background(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:17: error: 'GeometryReader' is only available in macOS 10.15 or newer
                GeometryReader { proxy in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:17: note: add 'if #available' version check
                GeometryReader { proxy in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:32: warning: conformance of 'Color' to 'ShapeStyle' is only available in macOS 10.15 or newer
                GeometryReader { proxy in
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:32: note: add 'if #available' version check
                GeometryReader { proxy in
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:150:21: error: 'RoundedRectangle' is only available in macOS 10.15 or newer
                    RoundedRectangle(cornerRadius: 40, style: .continuous)
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:150:21: note: add 'if #available' version check
                    RoundedRectangle(cornerRadius: 40, style: .continuous)
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:26: error: 'fill(_:style:)' is only available in macOS 14.0 or newer
                        .fill(Color.white)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:26: note: add 'if #available' version check
                        .fill(Color.white)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:31: error: 'Color' is only available in macOS 10.15 or newer
                        .fill(Color.white)
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:31: note: add 'if #available' version check
                        .fill(Color.white)
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:37: error: 'white' is only available in macOS 10.15 or newer
                        .fill(Color.white)
                                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:37: note: add 'if #available' version check
                        .fill(Color.white)
                                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:152:26: error: 'preference(key:value:)' is only available in macOS 10.15 or newer
                        .preference(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:152:26: note: add 'if #available' version check
                        .preference(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:154:42: error: 'frame(in:)' is only available in macOS 10.15 or newer
                            value: proxy.frame(in: .local).size.height
                                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:154:42: note: add 'if #available' version check
                            value: proxy.frame(in: .local).size.height
                                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:158:14: error: 'onPreferenceChange(_:perform:)' is only available in macOS 10.15 or newer
            .onPreferenceChange(ViewHeightKey.self) {
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:158:14: note: add 'if #available' version check
            .onPreferenceChange(ViewHeightKey.self) {
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:159:17: error: setter for 'panelHeight' is only available in macOS 10.15 or newer
                self.panelHeight = $0
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:159:17: note: add 'if #available' version check
                self.panelHeight = $0
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:161:14: error: 'offset(x:y:)' is only available in macOS 10.15 or newer
            .offset(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:161:14: note: add 'if #available' version check
            .offset(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:169:14: error: 'animation(_:value:)' is only available in macOS 10.15 or newer
            .animation(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:169:14: note: add 'if #available' version check
            .animation(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:170:18: error: 'spring(response:dampingFraction:blendDuration:)' is only available in macOS 10.15 or newer
                .spring(response: self.panelSpringResponse, dampingFraction: 0.9),
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:170:18: note: add 'if #available' version check
                .spring(response: self.panelSpringResponse, dampingFraction: 0.9),
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer
        .modifier(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: note: add 'if #available' version check
        .modifier(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: error: 'VStack' is only available in macOS 10.15 or newer
        VStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: note: add 'if #available' version check
        VStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
        VStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: note: add 'if #available' version check
        VStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:200:13: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
            Text("Hello")
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:200:13: error: 'Text' is only available in macOS 10.15 or newer
            Text("Hello")
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:16: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
        VStack {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: error: 'modifier' is only available in macOS 10.15 or newer
        .modifier(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: note: add 'if #available' version check
        .modifier(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:207:21: error: 'VStack' is only available in macOS 10.15 or newer
                    VStack(spacing: 24) {
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:207:21: note: add 'if #available' version check
                    VStack(spacing: 24) {
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:25: error: 'VStack' is only available in macOS 10.15 or newer
                        VStack(spacing: 32) {
                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:25: note: add 'if #available' version check
                        VStack(spacing: 32) {
                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:209:29: error: 'Text' is only available in macOS 10.15 or newer
                            Text("Wi-Fi Password")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:209:29: note: add 'if #available' version check
                            Text("Wi-Fi Password")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:34: error: 'font' is only available in macOS 10.15 or newer
                                .font(.title)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:34: note: add 'if #available' version check
                                .font(.title)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:40: error: 'title' is only available in macOS 10.15 or newer
                                .font(.title)
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:40: note: add 'if #available' version check
                                .font(.title)
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: error: 'foregroundColor' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: error: 'Color' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: error: 'init(_:)' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: error: 'Image' is only available in macOS 10.15 or newer
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: note: add 'if #available' version check
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: error: 'init(systemName:)' is only available in macOS 11.0 or newer
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: note: add 'if #available' version check
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:214:34: error: 'font' is only available in macOS 10.15 or newer
                                .font(.system(size: 100))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:214:34: note: add 'if #available' version check
                                .font(.system(size: 100))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:214:40: error: 'system(size:weight:design:)' is only available in macOS 13.0 or newer
                                .font(.system(size: 100))
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:214:40: note: add 'if #available' version check
                                .font(.system(size: 100))
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:34: error: 'foregroundColor' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.lightGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:34: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: error: 'Color' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: error: 'init(_:)' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:217:29: error: 'Text' is only available in macOS 10.15 or newer
                            Text("Do you want to share the Wi-Fi password for \"Home\" with Pita Bread?")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:217:29: note: add 'if #available' version check
                            Text("Do you want to share the Wi-Fi password for \"Home\" with Pita Bread?")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:218:34: error: 'multilineTextAlignment' is only available in macOS 10.15 or newer
                                .multilineTextAlignment(.center)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:218:34: note: add 'if #available' version check
                                .multilineTextAlignment(.center)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:221:25: error: 'Button' is only available in macOS 10.15 or newer
                        Button(
                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:221:25: note: add 'if #available' version check
                        Button(
                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:224:33: error: 'Text' is only available in macOS 10.15 or newer
                                Text("Done")
                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:224:33: note: add 'if #available' version check
                                Text("Done")
                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:225:38: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
                                    .frame(maxWidth: .infinity)
                                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:225:38: note: add 'if #available' version check
                                    .frame(maxWidth: .infinity)
                                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:26: error: 'buttonStyle' is only available in macOS 10.15 or newer
                        .buttonStyle(.borderedProminent)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:26: note: add 'if #available' version check
                        .buttonStyle(.borderedProminent)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:39: error: 'borderedProminent' is only available in macOS 12.0 or newer
                        .buttonStyle(.borderedProminent)
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:39: note: add 'if #available' version check
                        .buttonStyle(.borderedProminent)
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:26: error: 'controlSize' is only available in macOS 10.15 or newer
                        .controlSize(.large)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:26: note: add 'if #available' version check
                        .controlSize(.large)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:39: error: 'large' is only available in macOS 11.0 or newer
                        .controlSize(.large)
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:39: note: add 'if #available' version check
                        .controlSize(.large)
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
[4/4] Compiling Panel AnimationCompletionObserverModifier.swift
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:28:41: error: 'View' is only available in macOS 10.15 or newer
    func body(content: Content) -> some View { content }
                                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:28:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View { content }
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:84: error: 'VectorArithmetic' is only available in macOS 10.15 or newer
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
                                                                                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:39: error: 'VectorArithmetic' is only available in macOS 10.15 or newer
    func onAnimationCompletion<Value: VectorArithmetic>(
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:10: note: add @available attribute to enclosing instance method
    func onAnimationCompletion<Value: VectorArithmetic>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:51:10: error: 'ModifiedContent' is only available in macOS 10.15 or newer
    ) -> ModifiedContent<Self, AnimationCompletionObserverModifier<Value>>
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:10: note: add @available attribute to enclosing instance method
    func onAnimationCompletion<Value: VectorArithmetic>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:11: error: 'View' is only available in macOS 10.15 or newer
extension View
          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: error: 'Task' is only available in macOS 10.15 or newer
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:32:18: note: add @available attribute to enclosing instance method
    private func callCompletionIfFinished()
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: error: 'init(priority:operation:)' is only available in macOS 10.15 or newer
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:32:18: note: add @available attribute to enclosing instance method
    private func callCompletionIfFinished()
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:53:14: error: 'modifier' is only available in macOS 10.15 or newer
        self.modifier(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:53:14: note: add 'if #available' version check
        self.modifier(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:10: note: add @available attribute to enclosing instance method
    func onAnimationCompletion<Value: VectorArithmetic>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
error: fatalError
warning: 'spi-builder-workspace': found 2 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/PanelTests/__Snapshots__/PanelSheetTests/testPresentingPanelState.1.png
    /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/PanelTests/__Snapshots__/PanelSheetTests/testHiddenPanelState.1.png
[0/1] Planning build
Building for debugging...
[1/4] Compiling Panel View+Panel.swift
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:22: error: 'Identifiable' is only available in macOS 10.15 or newer
    func panel<Item: Identifiable, Content: View>(
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:45: error: 'View' is only available in macOS 10.15 or newer
    func panel<Item: Identifiable, Content: View>(
                                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:14:15: error: 'Binding' is only available in macOS 10.15 or newer
        item: Binding<Item?>,
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:16:10: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder content: @escaping (_ item: Item) -> Content
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:17:15: error: 'View' is only available in macOS 10.15 or newer
    ) -> some View where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:18: error: 'View' is only available in macOS 10.15 or newer
public extension View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:19:14: error: 'modifier' is only available in macOS 10.15 or newer
        self.modifier(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:19:14: note: add 'if #available' version check
        self.modifier(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
error: emit-module command failed with exit code 1 (use -v to see invocation)
[2/4] Emitting module Panel
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:28:41: error: 'View' is only available in macOS 10.15 or newer
    func body(content: Content) -> some View { content }
                                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:28:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View { content }
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:84: error: 'VectorArithmetic' is only available in macOS 10.15 or newer
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
                                                                                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:39: error: 'VectorArithmetic' is only available in macOS 10.15 or newer
    func onAnimationCompletion<Value: VectorArithmetic>(
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:10: note: add @available attribute to enclosing instance method
    func onAnimationCompletion<Value: VectorArithmetic>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:51:10: error: 'ModifiedContent' is only available in macOS 10.15 or newer
    ) -> ModifiedContent<Self, AnimationCompletionObserverModifier<Value>>
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:10: note: add @available attribute to enclosing instance method
    func onAnimationCompletion<Value: VectorArithmetic>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:11: error: 'View' is only available in macOS 10.15 or newer
extension View
          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:12:49: error: 'EmptyView' is only available in macOS 10.15 or newer
    @State private var content: AnyView = .init(EmptyView())
                                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:8:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding private var item: Item?
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:12:33: error: 'AnyView' is only available in macOS 10.15 or newer
    @State private var content: AnyView = .init(EmptyView())
                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:12:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var content: AnyView = .init(EmptyView())
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var panelHeight = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:14:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var isPresented = false
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:15:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var panelOpenAnimationProgress = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:34:15: error: 'Binding' is only available in macOS 10.15 or newer
        item: Binding<Item?>,
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:36:10: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder contentBuilder: @escaping (_ item: Item) -> PanelContent
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:48: error: 'View' is only available in macOS 10.15 or newer
    public func body(content: Content) -> some View
                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:39: error: 'View' is only available in macOS 10.15 or newer
    private func background() -> some View
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:41: error: 'View' is only available in macOS 10.15 or newer
    private func panelContent() -> some View
                                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:27: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:55: error: 'View' is only available in macOS 10.15 or newer
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
                                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:22: error: 'Identifiable' is only available in macOS 10.15 or newer
    func panel<Item: Identifiable, Content: View>(
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:45: error: 'View' is only available in macOS 10.15 or newer
    func panel<Item: Identifiable, Content: View>(
                                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:14:15: error: 'Binding' is only available in macOS 10.15 or newer
        item: Binding<Item?>,
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:16:10: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder content: @escaping (_ item: Item) -> Content
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:17:15: error: 'View' is only available in macOS 10.15 or newer
    ) -> some View where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:13:10: note: add @available attribute to enclosing instance method
    func panel<Item: Identifiable, Content: View>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:18: error: 'View' is only available in macOS 10.15 or newer
public extension View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
[3/4] Compiling Panel AnimationCompletionObserverModifier.swift
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:28:41: error: 'View' is only available in macOS 10.15 or newer
    func body(content: Content) -> some View { content }
                                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:28:10: note: add @available attribute to enclosing instance method
    func body(content: Content) -> some View { content }
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:84: error: 'VectorArithmetic' is only available in macOS 10.15 or newer
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
                                                                                   ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:39: error: 'VectorArithmetic' is only available in macOS 10.15 or newer
    func onAnimationCompletion<Value: VectorArithmetic>(
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:10: note: add @available attribute to enclosing instance method
    func onAnimationCompletion<Value: VectorArithmetic>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:51:10: error: 'ModifiedContent' is only available in macOS 10.15 or newer
    ) -> ModifiedContent<Self, AnimationCompletionObserverModifier<Value>>
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:10: note: add @available attribute to enclosing instance method
    func onAnimationCompletion<Value: VectorArithmetic>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:11: error: 'View' is only available in macOS 10.15 or newer
extension View
          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: error: 'Task' is only available in macOS 10.15 or newer
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:32:18: note: add @available attribute to enclosing instance method
    private func callCompletionIfFinished()
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: error: 'init(priority:operation:)' is only available in macOS 10.15 or newer
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:32:18: note: add @available attribute to enclosing instance method
    private func callCompletionIfFinished()
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:5:8: note: add @available attribute to enclosing generic struct
struct AnimationCompletionObserverModifier<Value>: AnimatableModifier where Value: VectorArithmetic
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:53:14: error: 'modifier' is only available in macOS 10.15 or newer
        self.modifier(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:53:14: note: add 'if #available' version check
        self.modifier(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:48:10: note: add @available attribute to enclosing instance method
    func onAnimationCompletion<Value: VectorArithmetic>(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
[4/4] Compiling Panel Panel.swift
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:12:49: error: 'EmptyView' is only available in macOS 10.15 or newer
    @State private var content: AnyView = .init(EmptyView())
                                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:8:6: error: 'Binding' is only available in macOS 10.15 or newer
    @Binding private var item: Item?
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:12:33: error: 'AnyView' is only available in macOS 10.15 or newer
    @State private var content: AnyView = .init(EmptyView())
                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:12:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var content: AnyView = .init(EmptyView())
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var panelHeight = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:14:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var isPresented = false
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:15:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var panelOpenAnimationProgress = 0.0
     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:34:15: error: 'Binding' is only available in macOS 10.15 or newer
        item: Binding<Item?>,
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:36:10: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder contentBuilder: @escaping (_ item: Item) -> PanelContent
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:48: error: 'View' is only available in macOS 10.15 or newer
    public func body(content: Content) -> some View
                                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:39: error: 'View' is only available in macOS 10.15 or newer
    private func background() -> some View
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:41: error: 'View' is only available in macOS 10.15 or newer
    private func panelContent() -> some View
                                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:27: error: 'Identifiable' is only available in macOS 10.15 or newer
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
                          ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:55: error: 'View' is only available in macOS 10.15 or newer
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
                                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:31: error: 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:40:29: error: 'State' is only available in macOS 10.15 or newer
        self._isPresented = State(initialValue: item.wrappedValue != nil)
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:40:29: note: add 'if #available' version check
        self._isPresented = State(initialValue: item.wrappedValue != nil)
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:77:10: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer
        .onAnimationCompletion(with: self.panelOpenAnimationProgress) {
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:77:10: note: add 'if #available' version check
        .onAnimationCompletion(with: self.panelOpenAnimationProgress) {
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:49:9: error: 'ZStack' is only available in macOS 10.15 or newer
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:49:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:52:13: error: 'ZStack' is only available in macOS 10.15 or newer
            ZStack(alignment: .bottom) {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:52:32: error: 'bottom' is only available in macOS 10.15 or newer
            ZStack(alignment: .bottom) {
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:56:14: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
            .frame(maxWidth: .infinity, maxHeight: .infinity)
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:57:14: error: 'ignoresSafeArea(_:edges:)' is only available in macOS 11.0 or newer
            .ignoresSafeArea()
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:58:14: error: 'onChange(of:perform:)' is only available in macOS 11.0 or newer
            .onChange(of: self.item) { item in
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:77:10: warning: conformance of 'Double' to 'VectorArithmetic' is only available in macOS 10.15 or newer
        .onAnimationCompletion(with: self.panelOpenAnimationProgress) {
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:77:10: note: add 'if #available' version check
        .onAnimationCompletion(with: self.panelOpenAnimationProgress) {
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:47:17: note: add @available attribute to enclosing instance method
    public func body(content: Content) -> some View
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:88:9: error: setter for 'content' is only available in macOS 10.15 or newer
        self.content = AnyView(self.contentBuilder(item))
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:88:9: note: add 'if #available' version check
        self.content = AnyView(self.contentBuilder(item))
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:86:18: note: add @available attribute to enclosing instance method
    private func presentPanel(for item: Item)
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:88:24: error: 'AnyView' is only available in macOS 10.15 or newer
        self.content = AnyView(self.contentBuilder(item))
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:88:24: note: add 'if #available' version check
        self.content = AnyView(self.contentBuilder(item))
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:86:18: note: add @available attribute to enclosing instance method
    private func presentPanel(for item: Item)
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:90:9: error: 'Task' is only available in macOS 10.15 or newer
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:90:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:86:18: note: add @available attribute to enclosing instance method
    private func presentPanel(for item: Item)
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:90:9: error: 'init(priority:operation:)' is only available in macOS 10.15 or newer
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:90:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:86:18: note: add @available attribute to enclosing instance method
    private func presentPanel(for item: Item)
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:91:13: error: 'withAnimation' is only available in macOS 10.15 or newer
            withAnimation {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:91:13: note: add 'if #available' version check
            withAnimation {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:86:18: note: add @available attribute to enclosing instance method
    private func presentPanel(for item: Item)
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:92:17: error: setter for 'isPresented' is only available in macOS 10.15 or newer
                self.isPresented = true
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:92:17: note: add 'if #available' version check
                self.isPresented = true
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:86:18: note: add @available attribute to enclosing instance method
    private func presentPanel(for item: Item)
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:93:17: error: setter for 'panelOpenAnimationProgress' is only available in macOS 10.15 or newer
                self.panelOpenAnimationProgress = 1.0
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:93:17: note: add 'if #available' version check
                self.panelOpenAnimationProgress = 1.0
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:86:18: note: add @available attribute to enclosing instance method
    private func presentPanel(for item: Item)
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:100:9: error: 'withAnimation' is only available in macOS 10.15 or newer
        withAnimation {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:100:9: note: add 'if #available' version check
        withAnimation {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:98:18: note: add @available attribute to enclosing instance method
    private func closePanel()
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:101:13: error: setter for 'isPresented' is only available in macOS 10.15 or newer
            self.isPresented = false
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:101:13: note: add 'if #available' version check
            self.isPresented = false
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:98:18: note: add @available attribute to enclosing instance method
    private func closePanel()
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:102:13: error: setter for 'panelOpenAnimationProgress' is only available in macOS 10.15 or newer
            self.panelOpenAnimationProgress = 0.0
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:102:13: note: add 'if #available' version check
            self.panelOpenAnimationProgress = 0.0
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:98:18: note: add @available attribute to enclosing instance method
    private func closePanel()
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:110:9: error: 'Group' is only available in macOS 10.15 or newer
        Group {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:110:9: note: add 'if #available' version check
        Group {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:110:9: error: 'init(content:)' is only available in macOS 10.15 or newer
        Group {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:110:9: note: add 'if #available' version check
        Group {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:113:17: error: 'Color' is only available in macOS 10.15 or newer
                Color.black.opacity(0.8)
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:113:17: note: add 'if #available' version check
                Color.black.opacity(0.8)
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:113:23: error: 'black' is only available in macOS 10.15 or newer
                Color.black.opacity(0.8)
                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:113:23: note: add 'if #available' version check
                Color.black.opacity(0.8)
                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:113:29: error: 'opacity' is only available in macOS 10.15 or newer
                Color.black.opacity(0.8)
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:113:29: note: add 'if #available' version check
                Color.black.opacity(0.8)
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:114:22: error: 'ignoresSafeArea(_:edges:)' is only available in macOS 11.0 or newer
                    .ignoresSafeArea()
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:114:22: note: add 'if #available' version check
                    .ignoresSafeArea()
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:115:22: error: 'transition' is only available in macOS 14.0 or newer
                    .transition(
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:115:22: note: add 'if #available' version check
                    .transition(
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:116:26: error: 'opacity' is only available in macOS 14.0 or newer
                        .opacity.animation(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:116:26: note: add 'if #available' version check
                        .opacity.animation(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:116:34: error: 'animation' is only available in macOS 14.0 or newer
                        .opacity.animation(
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:116:34: note: add 'if #available' version check
                        .opacity.animation(
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:117:30: error: 'easeInOut(duration:)' is only available in macOS 10.15 or newer
                            .easeInOut(duration: self.backgroundAnimationDuration)
                             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:117:30: note: add 'if #available' version check
                            .easeInOut(duration: self.backgroundAnimationDuration)
                             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:112:13: error: 'buildIf' is only available in macOS 10.15 or newer
            {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:112:13: note: add 'if #available' version check
            {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:120:13: error: 'buildIf' is only available in macOS 10.15 or newer
            }
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:120:13: note: add 'if #available' version check
            }
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:110:15: warning: conformance of 'Optional<Wrapped>' to 'View' is only available in macOS 10.15 or newer
        Group {
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:110:15: note: add 'if #available' version check
        Group {
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:108:18: note: add @available attribute to enclosing instance method
    private func background() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:126:9: error: 'GeometryReader' is only available in macOS 10.15 or newer
        GeometryReader { proxy in
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:126:9: note: add 'if #available' version check
        GeometryReader { proxy in
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:126:24: warning: conformance of 'Color' to 'ShapeStyle' is only available in macOS 10.15 or newer
        GeometryReader { proxy in
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:126:24: note: add 'if #available' version check
        GeometryReader { proxy in
                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:13: error: 'ZStack' is only available in macOS 10.15 or newer
            ZStack(alignment: .topTrailing) {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:13: note: add 'if #available' version check
            ZStack(alignment: .topTrailing) {
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:32: error: 'topTrailing' is only available in macOS 10.15 or newer
            ZStack(alignment: .topTrailing) {
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:32: note: add 'if #available' version check
            ZStack(alignment: .topTrailing) {
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:129:22: error: 'padding' is only available in macOS 10.15 or newer
                    .padding(EdgeInsets(top: 32.0, leading: 24.0, bottom: 32.0, trailing: 24.0))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:129:22: note: add 'if #available' version check
                    .padding(EdgeInsets(top: 32.0, leading: 24.0, bottom: 32.0, trailing: 24.0))
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:129:30: error: 'EdgeInsets' is only available in macOS 10.15 or newer
                    .padding(EdgeInsets(top: 32.0, leading: 24.0, bottom: 32.0, trailing: 24.0))
                             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:129:30: note: add 'if #available' version check
                    .padding(EdgeInsets(top: 32.0, leading: 24.0, bottom: 32.0, trailing: 24.0))
                             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:133:21: error: 'Button' is only available in macOS 10.15 or newer
                    Button(
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:133:21: note: add 'if #available' version check
                    Button(
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:135:29: error: setter for 'item' is only available in macOS 10.15 or newer
                            self.item = nil
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:135:29: note: add 'if #available' version check
                            self.item = nil
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:139:29: error: 'Image' is only available in macOS 10.15 or newer
                            Image(systemName: "xmark.circle.fill")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:139:29: note: add 'if #available' version check
                            Image(systemName: "xmark.circle.fill")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:139:29: error: 'init(systemName:)' is only available in macOS 11.0 or newer
                            Image(systemName: "xmark.circle.fill")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:139:29: note: add 'if #available' version check
                            Image(systemName: "xmark.circle.fill")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:140:34: error: 'foregroundColor' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.lightGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:140:34: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:140:50: error: 'Color' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:140:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:140:50: error: 'init(_:)' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:140:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:141:34: error: 'font' is only available in macOS 10.15 or newer
                                .font(.system(size: 20))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:141:34: note: add 'if #available' version check
                                .font(.system(size: 20))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:141:40: error: 'system(size:weight:design:)' is only available in macOS 13.0 or newer
                                .font(.system(size: 20))
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:141:40: note: add 'if #available' version check
                                .font(.system(size: 20))
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:144:22: error: 'padding' is only available in macOS 10.15 or newer
                    .padding([.top, .trailing], 24)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:144:22: note: add 'if #available' version check
                    .padding([.top, .trailing], 24)
                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:132:17: error: 'buildIf' is only available in macOS 10.15 or newer
                {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:132:17: note: add 'if #available' version check
                {
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:145:17: error: 'buildIf' is only available in macOS 10.15 or newer
                }
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:145:17: note: add 'if #available' version check
                }
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:147:14: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
            .frame(maxWidth: .infinity, alignment: .bottom)
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:147:14: note: add 'if #available' version check
            .frame(maxWidth: .infinity, alignment: .bottom)
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:147:53: error: 'bottom' is only available in macOS 10.15 or newer
            .frame(maxWidth: .infinity, alignment: .bottom)
                                                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:147:53: note: add 'if #available' version check
            .frame(maxWidth: .infinity, alignment: .bottom)
                                                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:148:14: error: 'background(_:alignment:)' is only available in macOS 10.15 or newer
            .background(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:148:14: note: add 'if #available' version check
            .background(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:17: error: 'GeometryReader' is only available in macOS 10.15 or newer
                GeometryReader { proxy in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:17: note: add 'if #available' version check
                GeometryReader { proxy in
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:32: warning: conformance of 'Color' to 'ShapeStyle' is only available in macOS 10.15 or newer
                GeometryReader { proxy in
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:32: note: add 'if #available' version check
                GeometryReader { proxy in
                               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:150:21: error: 'RoundedRectangle' is only available in macOS 10.15 or newer
                    RoundedRectangle(cornerRadius: 40, style: .continuous)
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:150:21: note: add 'if #available' version check
                    RoundedRectangle(cornerRadius: 40, style: .continuous)
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:26: error: 'fill(_:style:)' is only available in macOS 14.0 or newer
                        .fill(Color.white)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:26: note: add 'if #available' version check
                        .fill(Color.white)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:31: error: 'Color' is only available in macOS 10.15 or newer
                        .fill(Color.white)
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:31: note: add 'if #available' version check
                        .fill(Color.white)
                              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:37: error: 'white' is only available in macOS 10.15 or newer
                        .fill(Color.white)
                                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:37: note: add 'if #available' version check
                        .fill(Color.white)
                                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:152:26: error: 'preference(key:value:)' is only available in macOS 10.15 or newer
                        .preference(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:152:26: note: add 'if #available' version check
                        .preference(
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:154:42: error: 'frame(in:)' is only available in macOS 10.15 or newer
                            value: proxy.frame(in: .local).size.height
                                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:154:42: note: add 'if #available' version check
                            value: proxy.frame(in: .local).size.height
                                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:158:14: error: 'onPreferenceChange(_:perform:)' is only available in macOS 10.15 or newer
            .onPreferenceChange(ViewHeightKey.self) {
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:158:14: note: add 'if #available' version check
            .onPreferenceChange(ViewHeightKey.self) {
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:159:17: error: setter for 'panelHeight' is only available in macOS 10.15 or newer
                self.panelHeight = $0
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:159:17: note: add 'if #available' version check
                self.panelHeight = $0
                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:161:14: error: 'offset(x:y:)' is only available in macOS 10.15 or newer
            .offset(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:161:14: note: add 'if #available' version check
            .offset(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:169:14: error: 'animation(_:value:)' is only available in macOS 10.15 or newer
            .animation(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:169:14: note: add 'if #available' version check
            .animation(
             ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:170:18: error: 'spring(response:dampingFraction:blendDuration:)' is only available in macOS 10.15 or newer
                .spring(response: self.panelSpringResponse, dampingFraction: 0.9),
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:170:18: note: add 'if #available' version check
                .spring(response: self.panelSpringResponse, dampingFraction: 0.9),
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:124:18: note: add @available attribute to enclosing instance method
    private func panelContent() -> some View
                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:5:15: note: add @available attribute to enclosing generic struct
public struct Panel<Item: Identifiable, PanelContent: View>: ViewModifier where Item: Equatable
              ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer
        .modifier(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: note: add 'if #available' version check
        .modifier(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: error: 'VStack' is only available in macOS 10.15 or newer
        VStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: note: add 'if #available' version check
        VStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
        VStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: note: add 'if #available' version check
        VStack {
        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:200:13: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
            Text("Hello")
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:200:13: error: 'Text' is only available in macOS 10.15 or newer
            Text("Hello")
            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:16: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
        VStack {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: error: 'modifier' is only available in macOS 10.15 or newer
        .modifier(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: note: add 'if #available' version check
        .modifier(
         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:207:21: error: 'VStack' is only available in macOS 10.15 or newer
                    VStack(spacing: 24) {
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:207:21: note: add 'if #available' version check
                    VStack(spacing: 24) {
                    ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:25: error: 'VStack' is only available in macOS 10.15 or newer
                        VStack(spacing: 32) {
                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:25: note: add 'if #available' version check
                        VStack(spacing: 32) {
                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:209:29: error: 'Text' is only available in macOS 10.15 or newer
                            Text("Wi-Fi Password")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:209:29: note: add 'if #available' version check
                            Text("Wi-Fi Password")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:34: error: 'font' is only available in macOS 10.15 or newer
                                .font(.title)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:34: note: add 'if #available' version check
                                .font(.title)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:40: error: 'title' is only available in macOS 10.15 or newer
                                .font(.title)
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:40: note: add 'if #available' version check
                                .font(.title)
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: error: 'foregroundColor' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: error: 'Color' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: error: 'init(_:)' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: error: 'Image' is only available in macOS 10.15 or newer
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: note: add 'if #available' version check
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: error: 'init(systemName:)' is only available in macOS 11.0 or newer
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: note: add 'if #available' version check
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:214:34: error: 'font' is only available in macOS 10.15 or newer
                                .font(.system(size: 100))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:214:34: note: add 'if #available' version check
                                .font(.system(size: 100))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:214:40: error: 'system(size:weight:design:)' is only available in macOS 13.0 or newer
                                .font(.system(size: 100))
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:214:40: note: add 'if #available' version check
                                .font(.system(size: 100))
                                       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:34: error: 'foregroundColor' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.lightGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:34: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: error: 'Color' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: error: 'init(_:)' is only available in macOS 10.15 or newer
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:217:29: error: 'Text' is only available in macOS 10.15 or newer
                            Text("Do you want to share the Wi-Fi password for \"Home\" with Pita Bread?")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:217:29: note: add 'if #available' version check
                            Text("Do you want to share the Wi-Fi password for \"Home\" with Pita Bread?")
                            ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:218:34: error: 'multilineTextAlignment' is only available in macOS 10.15 or newer
                                .multilineTextAlignment(.center)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:218:34: note: add 'if #available' version check
                                .multilineTextAlignment(.center)
                                 ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:221:25: error: 'Button' is only available in macOS 10.15 or newer
                        Button(
                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:221:25: note: add 'if #available' version check
                        Button(
                        ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:224:33: error: 'Text' is only available in macOS 10.15 or newer
                                Text("Done")
                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:224:33: note: add 'if #available' version check
                                Text("Done")
                                ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:225:38: error: 'frame(minWidth:idealWidth:maxWidth:minHeight:idealHeight:maxHeight:alignment:)' is only available in macOS 10.15 or newer
                                    .frame(maxWidth: .infinity)
                                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:225:38: note: add 'if #available' version check
                                    .frame(maxWidth: .infinity)
                                     ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:26: error: 'buttonStyle' is only available in macOS 10.15 or newer
                        .buttonStyle(.borderedProminent)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:26: note: add 'if #available' version check
                        .buttonStyle(.borderedProminent)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:39: error: 'borderedProminent' is only available in macOS 12.0 or newer
                        .buttonStyle(.borderedProminent)
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:39: note: add 'if #available' version check
                        .buttonStyle(.borderedProminent)
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:26: error: 'controlSize' is only available in macOS 10.15 or newer
                        .controlSize(.large)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:26: note: add 'if #available' version check
                        .controlSize(.large)
                         ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:39: error: 'large' is only available in macOS 11.0 or newer
                        .controlSize(.large)
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:39: note: add 'if #available' version check
                        .controlSize(.large)
                                      ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:16: note: add @available attribute to enclosing static property
    static var previews: some View {
               ^
/Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:196:8: note: add @available attribute to enclosing struct
struct PanelSheet_Previews: PreviewProvider
       ^
error: fatalError
warning: 'spi-builder-workspace': found 2 file(s) which are unhandled; explicitly declare them as resources or exclude from the target
    /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/PanelTests/__Snapshots__/PanelSheetTests/testHiddenPanelState.1.png
    /Users/builder/builds/TDmZkXJm/3/finestructure/swiftpackageindex-builder/spi-builder-workspace/PanelTests/__Snapshots__/PanelSheetTests/testPresentingPanelState.1.png
BUILD FAILURE 5.9 macosSpm