Swift Package Index

Build Information

Failed to build Panel with Swift 5.10 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-15.3.0-Beta.2.app xcrun swift build --arch arm64

Build Log

    private func panelContent() -> some View
                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:132:17: note: add 'if #available' version check
                {
                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:145:17: note: add 'if #available' version check
                }
                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:45: warning: conformance of 'Optional<Wrapped>' to 'View' is only available in macOS 10.15 or newer
            ZStack(alignment: .topTrailing) {
                                            ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:45: note: add 'if #available' version check
            ZStack(alignment: .topTrailing) {
                                            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:148:14: note: add 'if #available' version check
            .background(
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:17: note: add 'if #available' version check
                GeometryReader { proxy in
                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:32: note: add 'if #available' version check
                GeometryReader { proxy in
                               ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:26: note: add 'if #available' version check
                        .fill(Color.white)
                         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:31: note: add 'if #available' version check
                        .fill(Color.white)
                              ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:37: note: add 'if #available' version check
                        .fill(Color.white)
                                    ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:152:26: note: add 'if #available' version check
                        .preference(
                         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:158:14: note: add 'if #available' version check
            .onPreferenceChange(ViewHeightKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:159:17: note: add 'if #available' version check
                self.panelHeight = $0
                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:161:14: note: add 'if #available' version check
            .offset(
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:169:14: note: add 'if #available' version check
            .animation(
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: note: add 'if #available' version check
        .modifier(
         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: note: add 'if #available' version check
        VStack {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: note: add 'if #available' version check
        VStack {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: note: add 'if #available' version check
        .modifier(
         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:207:21: note: add 'if #available' version check
                    VStack(spacing: 24) {
                    ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:25: note: add 'if #available' version check
                        VStack(spacing: 32) {
                        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:34: note: add 'if #available' version check
                                .font(.title)
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:40: note: add 'if #available' version check
                                .font(.title)
                                       ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: note: add 'if #available' version check
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: note: add 'if #available' version check
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:34: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:218:34: note: add 'if #available' version check
                                .multilineTextAlignment(.center)
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:45: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                        VStack(spacing: 32) {
                                            ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:45: note: add 'if #available' version check
                        VStack(spacing: 32) {
                                            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:221:25: note: add 'if #available' version check
                        Button(
                        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:224:33: note: add 'if #available' version check
                                Text("Done")
                                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:225:38: note: add 'if #available' version check
                                    .frame(maxWidth: .infinity)
                                     ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:26: note: add 'if #available' version check
                        .buttonStyle(.borderedProminent)
                         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:39: note: add 'if #available' version check
                        .buttonStyle(.borderedProminent)
                                      ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:26: note: add 'if #available' version check
                        .controlSize(.large)
                         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:39: note: add 'if #available' version check
                        .controlSize(.large)
                                      ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:36: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                                   ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:36: note: add 'if #available' version check
    static var previews: some View {
                                   ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/PanelTests/__Snapshots__/PanelSheetTests/testHiddenPanelState.1.png
    /Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/PanelTests/__Snapshots__/PanelSheetTests/testPresentingPanelState.1.png
[0/1] Planning build
Building for debugging...
[0/1] Write swift-version--423B1241ED78D482.txt
[2/5] Compiling Panel View+Panel.swift
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:19:14: note: add 'if #available' version check
        self.modifier(
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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)
[3/5] Emitting module Panel
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/View+Panel.swift:4:8: note: add @available attribute to enclosing extension
public extension View
       ^
[4/5] Compiling Panel AnimationCompletionObserverModifier.swift
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:36:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:53:14: note: add 'if #available' version check
        self.modifier(
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/AnimationCompletionObserverModifier.swift:46:1: note: add @available attribute to enclosing extension
extension View
^
[5/5] Compiling Panel Panel.swift
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:33:12: note: add @available attribute to enclosing initializer
    public init(
           ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:49:9: note: add 'if #available' version check
        ZStack {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:48:5: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer
    {
    ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:48:5: note: add 'if #available' version check
    {
    ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:90:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:90:9: note: add 'if #available' version check
        Task {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:91:13: note: add 'if #available' version check
            withAnimation {
            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:92:17: note: add 'if #available' version check
                self.isPresented = true
                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:100:9: note: add 'if #available' version check
        withAnimation {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:101:13: note: add 'if #available' version check
            self.isPresented = false
            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:110:9: note: add 'if #available' version check
        Group {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:110:9: note: add 'if #available' version check
        Group {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:114:22: note: add 'if #available' version check
                    .ignoresSafeArea()
                     ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:115:22: note: add 'if #available' version check
                    .transition(
                     ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:116:26: note: add 'if #available' version check
                        .opacity.animation(
                         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:116:34: note: add 'if #available' version check
                        .opacity.animation(
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:112:13: note: add 'if #available' version check
            {
            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:120:13: note: add 'if #available' version check
            }
            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:110:15: note: add 'if #available' version check
        Group {
              ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:126:9: note: add 'if #available' version check
        GeometryReader { proxy in
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:126:24: note: add 'if #available' version check
        GeometryReader { proxy in
                       ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:13: note: add 'if #available' version check
            ZStack(alignment: .topTrailing) {
            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:32: note: add 'if #available' version check
            ZStack(alignment: .topTrailing) {
                               ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:133:21: note: add 'if #available' version check
                    Button(
                    ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:135:29: note: add 'if #available' version check
                            self.item = nil
                            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:140:34: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:140:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:140:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:132:17: note: add 'if #available' version check
                {
                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:145:17: note: add 'if #available' version check
                }
                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:45: warning: conformance of 'Optional<Wrapped>' to 'View' is only available in macOS 10.15 or newer
            ZStack(alignment: .topTrailing) {
                                            ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:127:45: note: add 'if #available' version check
            ZStack(alignment: .topTrailing) {
                                            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:148:14: note: add 'if #available' version check
            .background(
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:17: note: add 'if #available' version check
                GeometryReader { proxy in
                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:149:32: note: add 'if #available' version check
                GeometryReader { proxy in
                               ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:26: note: add 'if #available' version check
                        .fill(Color.white)
                         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:31: note: add 'if #available' version check
                        .fill(Color.white)
                              ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:151:37: note: add 'if #available' version check
                        .fill(Color.white)
                                    ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:152:26: note: add 'if #available' version check
                        .preference(
                         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:158:14: note: add 'if #available' version check
            .onPreferenceChange(ViewHeightKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:159:17: note: add 'if #available' version check
                self.panelHeight = $0
                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:161:14: note: add 'if #available' version check
            .offset(
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:169:14: note: add 'if #available' version check
            .animation(
             ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: note: add 'if #available' version check
        .modifier(
         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: note: add 'if #available' version check
        VStack {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:199:9: note: add 'if #available' version check
        VStack {
        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:202:10: note: add 'if #available' version check
        .modifier(
         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:207:21: note: add 'if #available' version check
                    VStack(spacing: 24) {
                    ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:25: note: add 'if #available' version check
                        VStack(spacing: 32) {
                        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:34: note: add 'if #available' version check
                                .font(.title)
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:210:40: note: add 'if #available' version check
                                .font(.title)
                                       ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:34: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:211:50: note: add 'if #available' version check
                                .foregroundColor(Color(.darkGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: note: add 'if #available' version check
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:213:29: note: add 'if #available' version check
                            Image(systemName: "wifi")
                            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:34: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:215:50: note: add 'if #available' version check
                                .foregroundColor(Color(.lightGray))
                                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:218:34: note: add 'if #available' version check
                                .multilineTextAlignment(.center)
                                 ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:45: warning: conformance of 'Text' to 'View' is only available in macOS 10.15 or newer
                        VStack(spacing: 32) {
                                            ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:208:45: note: add 'if #available' version check
                        VStack(spacing: 32) {
                                            ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:221:25: note: add 'if #available' version check
                        Button(
                        ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:224:33: note: add 'if #available' version check
                                Text("Done")
                                ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:225:38: note: add 'if #available' version check
                                    .frame(maxWidth: .infinity)
                                     ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:26: note: add 'if #available' version check
                        .buttonStyle(.borderedProminent)
                         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:228:39: note: add 'if #available' version check
                        .buttonStyle(.borderedProminent)
                                      ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:26: note: add 'if #available' version check
                        .controlSize(.large)
                         ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:229:39: note: add 'if #available' version check
                        .controlSize(.large)
                                      ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:36: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer
    static var previews: some View {
                                   ^
/Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/Panel/Source/Panel.swift:198:36: note: add 'if #available' version check
    static var previews: some View {
                                   ^
/Users/builder/builds/UKfvDsi8u/2/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/UKfvDsi8u/2/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/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/PanelTests/__Snapshots__/PanelSheetTests/testHiddenPanelState.1.png
    /Users/builder/builds/UKfvDsi8u/2/finestructure/swiftpackageindex-builder/spi-builder-workspace/PanelTests/__Snapshots__/PanelSheetTests/testPresentingPanelState.1.png
BUILD FAILURE 5.10 macosSpm