Swift Package Index

Build Information

Failed to build navigation-stack-backport with Swift 5.8 for macOS (SPM).

Build Command

env DEVELOPER_DIR=/Applications/Xcode-14.3.1.app xcrun swift build --arch arm64

Build Log

public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:37: error: 'View' is only available in macOS 10.15 or newer
public struct NavigationLink<Label: View>: View {
                                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLink<Label: View>: View {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:59:4: error: 'Environment' is only available in macOS 10.15 or newer
                @Environment(\.navigationAuthority) private var authority
                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:56:9: note: add @available attribute to enclosing struct
        struct Backport: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:56:9: note: add @available attribute to enclosing struct
        struct Backport: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:61:18: error: 'View' is only available in macOS 10.15 or newer
                var body: some View {
                               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:61:7: note: add @available attribute to enclosing property
                var body: some View {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationLink.swift:56:9: note: add @available attribute to enclosing struct
        struct Backport: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift:11:27: error: 'NavigationPath' is only available in macOS 13.0 or newer
        var swiftUIPath: SwiftUI.NavigationPath {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift:11:6: note: add @available attribute to enclosing property
        var swiftUIPath: SwiftUI.NavigationPath {
            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPath.swift:3:15: note: add @available attribute to enclosing struct
public struct NavigationPath {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift:14:19: error: 'NavigationPath' is only available in macOS 13.0 or newer
extension SwiftUI.NavigationPath: NavigationPathBox {
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationPathBox.swift:14:1: note: add @available attribute to enclosing extension
extension SwiftUI.NavigationPath: NavigationPathBox {
^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:4:19: error: 'AnyView' is only available in macOS 10.15 or newer
        public let body: AnyView
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:6:15: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init(@ViewBuilder root: () -> Root) where Data == NavigationPath {
                     ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:6:9: note: add @available attribute to enclosing initializer
        public init(@ViewBuilder root: () -> Root) where Data == NavigationPath {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:20: error: 'Binding' is only available in macOS 10.15 or newer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:46: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
                                                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:14:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<NavigationPath>, @ViewBuilder root: () -> Root) where Data == NavigationPath {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:20: error: 'Binding' is only available in macOS 10.15 or newer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:36: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
                                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:22:9: note: add @available attribute to enclosing initializer
        public init(path: Binding<Data>, @ViewBuilder root: () -> Root) where Data: MutableCollection, Data: RandomAccessCollection, Data: RangeReplaceableCollection, Data.Element: Hashable {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:43: error: 'View' is only available in macOS 10.15 or newer
public struct NavigationStack<Data, Root: View>: View {
                                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationStack<Data, Root: View>: View {
              ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:39:4: error: 'State' is only available in macOS 10.15 or newer
                @State private var path = NavigationPathBackport(items: [])
                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:37:9: note: add @available attribute to enclosing struct
        struct ImplicitStateView: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:37:9: note: add @available attribute to enclosing struct
        struct ImplicitStateView: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:41:18: error: 'View' is only available in macOS 10.15 or newer
                var body: some View {
                               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:41:7: note: add @available attribute to enclosing property
                var body: some View {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:37:9: note: add @available attribute to enclosing struct
        struct ImplicitStateView: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:47:4: error: 'Binding' is only available in macOS 10.15 or newer
                @Binding var path: NavigationPathBackport
                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:50:4: error: 'StateObject' is only available in macOS 11.0 or newer
                @StateObject private var authority = NavigationAuthority()
                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:52:18: error: 'View' is only available in macOS 10.15 or newer
                var body: some View {
                               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:52:7: note: add @available attribute to enclosing property
                var body: some View {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationStack.swift:46:9: note: add @available attribute to enclosing struct
        struct AuthorityView: View {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:4:24: error: cannot find type 'UIViewController' in scope
        var viewControllers: [UIViewController] {
                              ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:8:36: error: cannot find type 'UINavigationController' in scope
        private let navigationController: UINavigationController
                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:9:37: error: cannot find type 'UIViewController' in scope
        private var addedViewControllers: [UIViewController] = []
                                           ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:12:29: error: cannot find type 'UINavigationController' in scope
        init(navigationController: UINavigationController) {
                                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:29: error: 'AnyView' is only available in macOS 10.15 or newer
        mutating func view(_ view: AnyView, at index: Int) {
                                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:16: note: add @available attribute to enclosing instance method
        mutating func view(_ view: AnyView, at index: Int) {
                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:3:19: note: add @available attribute to enclosing struct
@MainActor struct NavigationUpdate {
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:45: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:64: error: 'Binding' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:80: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:122: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:58: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                                                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:13:9: error: 'Binding' is only available in macOS 10.15 or newer
                item: Binding<D?>,
                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:14:4: error: 'ViewBuilder' is only available in macOS 10.15 or newer
                @ViewBuilder destination: @escaping (D) -> C
                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:15:12: error: 'View' is only available in macOS 10.15 or newer
        ) -> some View {
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:25:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var isPresented: Bool
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:28:3: error: 'Namespace' is only available in macOS 11.0 or newer
        @Namespace private var id
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:29:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationContextId) private var contextId
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:30:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:40: error: 'View' is only available in macOS 10.15 or newer
private struct PresentationModifier<C: View>: ViewModifier {
                                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:51:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var item: D?
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:57: error: 'View' is only available in macOS 10.15 or newer
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
                                                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:74:12: error: 'AnyView' is only available in macOS 10.15 or newer
        let view: AnyView
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:28: error: 'Namespace' is only available in macOS 11.0 or newer
        static var defaultValue: [Namespace.ID] = []
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: note: add @available attribute to enclosing static property
        static var defaultValue: [Namespace.ID] = []
                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:35: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:68: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                                                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:37: error: cannot find type 'UIViewControllerRepresentable' in scope
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:6:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:49: error: cannot find type 'UINavigationController' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:37: error: cannot find type 'Context' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                           ^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:54: error: cannot find type 'UINavigationController' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                            ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:87: error: cannot find type 'Context' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                                                             ^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:30: error: 'View' is only available in macOS 10.15 or newer
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:37: error: cannot find type 'UIHostingController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                           ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:86: error: cannot find type 'UINavigationController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                                                                            ^~~~~~~~~~~~~~~~~~~~~~
[12/14] Compiling NavigationStackBackport NavigationUpdate.swift
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:4:24: error: cannot find type 'UIViewController' in scope
        var viewControllers: [UIViewController] {
                              ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:8:36: error: cannot find type 'UINavigationController' in scope
        private let navigationController: UINavigationController
                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:9:37: error: cannot find type 'UIViewController' in scope
        private var addedViewControllers: [UIViewController] = []
                                           ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:12:29: error: cannot find type 'UINavigationController' in scope
        init(navigationController: UINavigationController) {
                                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:29: error: 'AnyView' is only available in macOS 10.15 or newer
        mutating func view(_ view: AnyView, at index: Int) {
                                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:16: note: add @available attribute to enclosing instance method
        mutating func view(_ view: AnyView, at index: Int) {
                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:3:19: note: add @available attribute to enclosing struct
@MainActor struct NavigationUpdate {
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:21:53: error: cannot find type 'UIHostingController' in scope
                        (navigationController.viewControllers[index] as? UIHostingController<AnyView>)?.rootView = view
                                                                         ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:25:27: error: cannot find 'UIHostingController' in scope
                let hostingController = UIHostingController(rootView: view)
                                        ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:39:27: error: 'nil' requires a contextual type
                                $0.willMove(toParent: nil)
                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:45: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:64: error: 'Binding' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:80: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:122: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:58: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                                                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:13:9: error: 'Binding' is only available in macOS 10.15 or newer
                item: Binding<D?>,
                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:14:4: error: 'ViewBuilder' is only available in macOS 10.15 or newer
                @ViewBuilder destination: @escaping (D) -> C
                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:15:12: error: 'View' is only available in macOS 10.15 or newer
        ) -> some View {
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:25:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var isPresented: Bool
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:28:3: error: 'Namespace' is only available in macOS 11.0 or newer
        @Namespace private var id
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:29:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationContextId) private var contextId
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:30:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:40: error: 'View' is only available in macOS 10.15 or newer
private struct PresentationModifier<C: View>: ViewModifier {
                                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:51:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var item: D?
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:57: error: 'View' is only available in macOS 10.15 or newer
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
                                                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:74:12: error: 'AnyView' is only available in macOS 10.15 or newer
        let view: AnyView
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:28: error: 'Namespace' is only available in macOS 11.0 or newer
        static var defaultValue: [Namespace.ID] = []
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: note: add @available attribute to enclosing static property
        static var defaultValue: [Namespace.ID] = []
                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:35: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:68: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                                                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:6: warning: result builder 'ViewBuilder' does not implement 'buildLimitedAvailability'; this code may crash on earlier versions of the OS
                if #available(iOS 16.0, *) {
                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:6:12: error: 'navigationDestination(isPresented:destination:)' is only available in macOS 13.0 or newer
                        content.navigationDestination(isPresented: isPresented, destination: destination)
                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:6:12: note: add 'if #available' version check
                        content.navigationDestination(isPresented: isPresented, destination: destination)
                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: error: 'buildLimitedAvailability' is only available in macOS 11.0 or newer
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: note: add 'if #available' version check
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: note: add 'if #available' version check
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: note: add 'if #available' version check
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: note: add 'if #available' version check
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:127: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                     ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:127: note: add 'if #available' version check
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                     ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:17:33: error: incorrect argument label in call (have 'item:destination:', expected 'for:destination:')
                        content.navigationDestination(item: item, destination: destination)
                                                     ^~~~~
                                                      for
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:17:40: error: cannot convert value of type 'Binding<D?>' to expected argument type 'D.Type'
                        content.navigationDestination(item: item, destination: destination)
                                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:24:33: error: 'PassthroughSubject' is only available in macOS 10.15 or newer
        let presentationPopPublisher = PassthroughSubject<Namespace.ID, Never>()
                                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:36:5: error: 'transformPreference' is only available in macOS 10.15 or newer
                        .transformPreference(PresentationIDsKey.self) { ids in
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:43:5: error: 'onReceive(_:perform:)' is only available in macOS 10.15 or newer
                        .onReceive(authority.presentationPopPublisher) { id in
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:43:5: note: add 'if #available' version check
                        .onReceive(authority.presentationPopPublisher) { id in
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:55:21: error: 'Binding' is only available in macOS 10.15 or newer
                let isPresented = Binding {
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:55:21: note: add 'if #available' version check
                let isPresented = Binding {
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:11: warning: conformance of '_ViewModifier_Content<Modifier>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: warning: conformance of '_ViewModifier_Content<Modifier>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: note: add 'if #available' version check
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: warning: conformance of 'Optional<Wrapped>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: note: add 'if #available' version check
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:64:16: error: 'buildIf' is only available in macOS 10.15 or newer
                        if let item {
                                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:64:16: note: add 'if #available' version check
                        if let item {
                                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:66:4: error: 'buildIf' is only available in macOS 10.15 or newer
                        }
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:66:4: note: add 'if #available' version check
                        }
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:68: warning: conformance of 'Optional<Wrapped>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                                                                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:68: note: add 'if #available' version check
                content.backport.navigationDestination(isPresented: isPresented) {
                                                                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:15: error: 'AnyView' is only available in macOS 10.15 or newer
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:15: note: add 'if #available' version check
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:28: error: 'environment' is only available in macOS 10.15 or newer
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:28: note: add 'if #available' version check
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:37: error: cannot find type 'UIViewControllerRepresentable' in scope
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:6:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:49: error: cannot find type 'UINavigationController' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:37: error: cannot find type 'Context' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                           ^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:54: error: cannot find type 'UINavigationController' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                            ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:87: error: cannot find type 'Context' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                                                             ^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:30: error: 'View' is only available in macOS 10.15 or newer
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:37: error: cannot find type 'UIHostingController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                           ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:86: error: cannot find type 'UINavigationController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                                                                            ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:9:30: error: cannot find 'UINavigationController' in scope
                let navigationController = UINavigationController()
                                           ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:11:50: error: cannot infer contextual base in reference to member 'default'
                navigationController.navigationBar.barStyle = .default
                                                              ~^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:5:33: error: cannot find type 'UINavigationController' in scope
        weak var navigationController: UINavigationController? {
                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:52: error: cannot find type 'UINavigationController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:100: error: cannot find type 'UIViewController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                                                                          ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:18:121: error: cannot find type 'UIHostingController' in scope
                if !navigationController.viewControllers.isEmpty, let hostingController = navigationController.viewControllers[0] as? UIHostingController<Root> {
                                                                                                                                      ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:21:29: error: cannot find 'UIHostingController' in scope
                        let rootViewController = UIHostingController(rootView: root)
                                                 ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:26:13: error: call to main actor-isolated instance method 'update(path:)' in a synchronous nonisolated context
                authority.update(path: path)
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:80:18: note: calls to instance method 'update(path:)' from outside of its actor context are implicitly asynchronous
        @MainActor func update(path: NavigationPathBackport) {
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:7: note: add '@MainActor' to make instance method 'updateUIViewController(_:context:)' part of global actor 'MainActor'
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
             ^
        @MainActor
[13/14] Compiling NavigationStackBackport Presentation.swift
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:4:24: error: cannot find type 'UIViewController' in scope
        var viewControllers: [UIViewController] {
                              ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:8:36: error: cannot find type 'UINavigationController' in scope
        private let navigationController: UINavigationController
                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:9:37: error: cannot find type 'UIViewController' in scope
        private var addedViewControllers: [UIViewController] = []
                                           ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:12:29: error: cannot find type 'UINavigationController' in scope
        init(navigationController: UINavigationController) {
                                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:29: error: 'AnyView' is only available in macOS 10.15 or newer
        mutating func view(_ view: AnyView, at index: Int) {
                                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:16: note: add @available attribute to enclosing instance method
        mutating func view(_ view: AnyView, at index: Int) {
                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:3:19: note: add @available attribute to enclosing struct
@MainActor struct NavigationUpdate {
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:21:53: error: cannot find type 'UIHostingController' in scope
                        (navigationController.viewControllers[index] as? UIHostingController<AnyView>)?.rootView = view
                                                                         ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:25:27: error: cannot find 'UIHostingController' in scope
                let hostingController = UIHostingController(rootView: view)
                                        ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:39:27: error: 'nil' requires a contextual type
                                $0.willMove(toParent: nil)
                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:45: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:64: error: 'Binding' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:80: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:122: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:58: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                                                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:13:9: error: 'Binding' is only available in macOS 10.15 or newer
                item: Binding<D?>,
                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:14:4: error: 'ViewBuilder' is only available in macOS 10.15 or newer
                @ViewBuilder destination: @escaping (D) -> C
                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:15:12: error: 'View' is only available in macOS 10.15 or newer
        ) -> some View {
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:25:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var isPresented: Bool
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:28:3: error: 'Namespace' is only available in macOS 11.0 or newer
        @Namespace private var id
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:29:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationContextId) private var contextId
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:30:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:40: error: 'View' is only available in macOS 10.15 or newer
private struct PresentationModifier<C: View>: ViewModifier {
                                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:51:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var item: D?
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:57: error: 'View' is only available in macOS 10.15 or newer
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
                                                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:74:12: error: 'AnyView' is only available in macOS 10.15 or newer
        let view: AnyView
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:28: error: 'Namespace' is only available in macOS 11.0 or newer
        static var defaultValue: [Namespace.ID] = []
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: note: add @available attribute to enclosing static property
        static var defaultValue: [Namespace.ID] = []
                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:35: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:68: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                                                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:6: warning: result builder 'ViewBuilder' does not implement 'buildLimitedAvailability'; this code may crash on earlier versions of the OS
                if #available(iOS 16.0, *) {
                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:6:12: error: 'navigationDestination(isPresented:destination:)' is only available in macOS 13.0 or newer
                        content.navigationDestination(isPresented: isPresented, destination: destination)
                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:6:12: note: add 'if #available' version check
                        content.navigationDestination(isPresented: isPresented, destination: destination)
                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: error: 'buildLimitedAvailability' is only available in macOS 11.0 or newer
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: note: add 'if #available' version check
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: note: add 'if #available' version check
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: note: add 'if #available' version check
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: note: add 'if #available' version check
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:127: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                     ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:127: note: add 'if #available' version check
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                     ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:17:33: error: incorrect argument label in call (have 'item:destination:', expected 'for:destination:')
                        content.navigationDestination(item: item, destination: destination)
                                                     ^~~~~
                                                      for
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:17:40: error: cannot convert value of type 'Binding<D?>' to expected argument type 'D.Type'
                        content.navigationDestination(item: item, destination: destination)
                                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:24:33: error: 'PassthroughSubject' is only available in macOS 10.15 or newer
        let presentationPopPublisher = PassthroughSubject<Namespace.ID, Never>()
                                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:36:5: error: 'transformPreference' is only available in macOS 10.15 or newer
                        .transformPreference(PresentationIDsKey.self) { ids in
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:43:5: error: 'onReceive(_:perform:)' is only available in macOS 10.15 or newer
                        .onReceive(authority.presentationPopPublisher) { id in
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:43:5: note: add 'if #available' version check
                        .onReceive(authority.presentationPopPublisher) { id in
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:55:21: error: 'Binding' is only available in macOS 10.15 or newer
                let isPresented = Binding {
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:55:21: note: add 'if #available' version check
                let isPresented = Binding {
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:11: warning: conformance of '_ViewModifier_Content<Modifier>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: warning: conformance of '_ViewModifier_Content<Modifier>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: note: add 'if #available' version check
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: warning: conformance of 'Optional<Wrapped>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: note: add 'if #available' version check
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:64:16: error: 'buildIf' is only available in macOS 10.15 or newer
                        if let item {
                                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:64:16: note: add 'if #available' version check
                        if let item {
                                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:66:4: error: 'buildIf' is only available in macOS 10.15 or newer
                        }
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:66:4: note: add 'if #available' version check
                        }
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:68: warning: conformance of 'Optional<Wrapped>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                                                                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:68: note: add 'if #available' version check
                content.backport.navigationDestination(isPresented: isPresented) {
                                                                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:15: error: 'AnyView' is only available in macOS 10.15 or newer
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:15: note: add 'if #available' version check
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:28: error: 'environment' is only available in macOS 10.15 or newer
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:28: note: add 'if #available' version check
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:37: error: cannot find type 'UIViewControllerRepresentable' in scope
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:6:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:49: error: cannot find type 'UINavigationController' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:37: error: cannot find type 'Context' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                           ^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:54: error: cannot find type 'UINavigationController' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                            ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:87: error: cannot find type 'Context' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                                                             ^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:30: error: 'View' is only available in macOS 10.15 or newer
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:37: error: cannot find type 'UIHostingController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                           ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:86: error: cannot find type 'UINavigationController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                                                                            ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:9:30: error: cannot find 'UINavigationController' in scope
                let navigationController = UINavigationController()
                                           ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:11:50: error: cannot infer contextual base in reference to member 'default'
                navigationController.navigationBar.barStyle = .default
                                                              ~^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:5:33: error: cannot find type 'UINavigationController' in scope
        weak var navigationController: UINavigationController? {
                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:52: error: cannot find type 'UINavigationController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:100: error: cannot find type 'UIViewController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                                                                          ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:18:121: error: cannot find type 'UIHostingController' in scope
                if !navigationController.viewControllers.isEmpty, let hostingController = navigationController.viewControllers[0] as? UIHostingController<Root> {
                                                                                                                                      ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:21:29: error: cannot find 'UIHostingController' in scope
                        let rootViewController = UIHostingController(rootView: root)
                                                 ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:26:13: error: call to main actor-isolated instance method 'update(path:)' in a synchronous nonisolated context
                authority.update(path: path)
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:80:18: note: calls to instance method 'update(path:)' from outside of its actor context are implicitly asynchronous
        @MainActor func update(path: NavigationPathBackport) {
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:7: note: add '@MainActor' to make instance method 'updateUIViewController(_:context:)' part of global actor 'MainActor'
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
             ^
        @MainActor
[14/14] Compiling NavigationStackBackport UIKitNavigation.swift
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:4:24: error: cannot find type 'UIViewController' in scope
        var viewControllers: [UIViewController] {
                              ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:8:36: error: cannot find type 'UINavigationController' in scope
        private let navigationController: UINavigationController
                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:9:37: error: cannot find type 'UIViewController' in scope
        private var addedViewControllers: [UIViewController] = []
                                           ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:12:29: error: cannot find type 'UINavigationController' in scope
        init(navigationController: UINavigationController) {
                                   ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:29: error: 'AnyView' is only available in macOS 10.15 or newer
        mutating func view(_ view: AnyView, at index: Int) {
                                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:17:16: note: add @available attribute to enclosing instance method
        mutating func view(_ view: AnyView, at index: Int) {
                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:3:19: note: add @available attribute to enclosing struct
@MainActor struct NavigationUpdate {
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:21:53: error: cannot find type 'UIHostingController' in scope
                        (navigationController.viewControllers[index] as? UIHostingController<AnyView>)?.rootView = view
                                                                         ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:25:27: error: cannot find 'UIHostingController' in scope
                let hostingController = UIHostingController(rootView: view)
                                        ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationUpdate.swift:39:27: error: 'nil' requires a contextual type
                                $0.willMove(toParent: nil)
                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:45: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:64: error: 'Binding' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:80: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:122: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:58: error: 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                                                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:13:9: error: 'Binding' is only available in macOS 10.15 or newer
                item: Binding<D?>,
                      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:14:4: error: 'ViewBuilder' is only available in macOS 10.15 or newer
                @ViewBuilder destination: @escaping (D) -> C
                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:15:12: error: 'View' is only available in macOS 10.15 or newer
        ) -> some View {
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:3: error: 'ViewBuilder' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:12:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<D: Hashable, C: View>(
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:25:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var isPresented: Bool
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:28:3: error: 'Namespace' is only available in macOS 11.0 or newer
        @Namespace private var id
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:29:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationContextId) private var contextId
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:30:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:40: error: 'View' is only available in macOS 10.15 or newer
private struct PresentationModifier<C: View>: ViewModifier {
                                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:51:3: error: 'Binding' is only available in macOS 10.15 or newer
        @Binding var item: D?
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:38: error: 'View' is only available in macOS 10.15 or newer
        func body(content: Content) -> some View {
                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:57: error: 'View' is only available in macOS 10.15 or newer
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
                                                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:74:12: error: 'AnyView' is only available in macOS 10.15 or newer
        let view: AnyView
                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:53: error: 'View' is only available in macOS 10.15 or newer
        init(contextId: Int, isPresented: Bool, view: some View) {
                                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:28: error: 'Namespace' is only available in macOS 11.0 or newer
        static var defaultValue: [Namespace.ID] = []
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:84:13: note: add @available attribute to enclosing static property
        static var defaultValue: [Namespace.ID] = []
                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:35: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:68: error: 'Namespace' is only available in macOS 11.0 or newer
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                                                                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:86:14: note: add @available attribute to enclosing static method
        static func reduce(value: inout [Namespace.ID], nextValue: () -> [Namespace.ID]) {
                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:83:8: note: add @available attribute to enclosing struct
struct PresentationIDsKey: PreferenceKey {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:6: warning: result builder 'ViewBuilder' does not implement 'buildLimitedAvailability'; this code may crash on earlier versions of the OS
                if #available(iOS 16.0, *) {
                   ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:6:12: error: 'navigationDestination(isPresented:destination:)' is only available in macOS 13.0 or newer
                        content.navigationDestination(isPresented: isPresented, destination: destination)
                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:6:12: note: add 'if #available' version check
                        content.navigationDestination(isPresented: isPresented, destination: destination)
                                ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: error: 'buildLimitedAvailability' is only available in macOS 11.0 or newer
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: note: add 'if #available' version check
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:5:30: note: add 'if #available' version check
                if #available(iOS 16.0, *) {
                                           ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: note: add 'if #available' version check
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: warning: conformance of 'ModifiedContent<Content, Modifier>' to 'View' is only available in macOS 10.15 or newer
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:7:10: note: add 'if #available' version check
                } else {
                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:127: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to 'View' is only available in macOS 10.15 or newer
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                     ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:127: note: add 'if #available' version check
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                                                                                                                                     ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:4:20: note: add @available attribute to enclosing instance method
        @ViewBuilder func navigationDestination<C: View>(isPresented: Binding<Bool>, @ViewBuilder destination: () -> C) -> some View {
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:3:8: note: add @available attribute to enclosing extension
public extension Backport {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:17:33: error: incorrect argument label in call (have 'item:destination:', expected 'for:destination:')
                        content.navigationDestination(item: item, destination: destination)
                                                     ^~~~~
                                                      for
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:17:40: error: cannot convert value of type 'Binding<D?>' to expected argument type 'D.Type'
                        content.navigationDestination(item: item, destination: destination)
                                                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:24:33: error: 'PassthroughSubject' is only available in macOS 10.15 or newer
        let presentationPopPublisher = PassthroughSubject<Namespace.ID, Never>()
                                       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:4:7: note: add @available attribute to enclosing class
class NavigationAuthority: NSObject, ObservableObject {
      ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:36:5: error: 'transformPreference' is only available in macOS 10.15 or newer
                        .transformPreference(PresentationIDsKey.self) { ids in
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:43:5: error: 'onReceive(_:perform:)' is only available in macOS 10.15 or newer
                        .onReceive(authority.presentationPopPublisher) { id in
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:43:5: note: add 'if #available' version check
                        .onReceive(authority.presentationPopPublisher) { id in
                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:32:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:24:16: note: add @available attribute to enclosing generic struct
private struct PresentationModifier<C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:55:21: error: 'Binding' is only available in macOS 10.15 or newer
                let isPresented = Binding {
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:55:21: note: add 'if #available' version check
                let isPresented = Binding {
                                  ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:11: warning: conformance of '_ViewModifier_Content<Modifier>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: warning: conformance of '_ViewModifier_Content<Modifier>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: note: add 'if #available' version check
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: warning: conformance of 'Optional<Wrapped>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:20: note: add 'if #available' version check
                content.backport.navigationDestination(isPresented: isPresented) {
                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:64:16: error: 'buildIf' is only available in macOS 10.15 or newer
                        if let item {
                                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:64:16: note: add 'if #available' version check
                        if let item {
                                    ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:66:4: error: 'buildIf' is only available in macOS 10.15 or newer
                        }
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:66:4: note: add 'if #available' version check
                        }
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:68: warning: conformance of 'Optional<Wrapped>' to 'View' is only available in macOS 10.15 or newer
                content.backport.navigationDestination(isPresented: isPresented) {
                                                                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:63:68: note: add 'if #available' version check
                content.backport.navigationDestination(isPresented: isPresented) {
                                                                                 ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:54:7: note: add @available attribute to enclosing instance method
        func body(content: Content) -> some View {
             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:50:16: note: add @available attribute to enclosing generic struct
private struct ItemPresentationModifier<D: Hashable, C: View>: ViewModifier {
               ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:15: error: 'AnyView' is only available in macOS 10.15 or newer
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:15: note: add 'if #available' version check
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                            ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:28: error: 'environment' is only available in macOS 10.15 or newer
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:79:28: note: add 'if #available' version check
                self.view = AnyView(view.environment(\.navigationContextId, contextId))
                                         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:76:2: note: add @available attribute to enclosing initializer
        init(contextId: Int, isPresented: Bool, view: some View) {
        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/Presentation.swift:71:8: note: add @available attribute to enclosing struct
struct Presentation {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:37: error: cannot find type 'UIViewControllerRepresentable' in scope
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:6:3: error: 'Environment' is only available in macOS 10.15 or newer
        @Environment(\.navigationAuthority) private var authority
         ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:49: error: cannot find type 'UINavigationController' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:8:37: error: cannot find type 'Context' in scope
        func makeUIViewController(context: Context) -> UINavigationController {
                                           ^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:54: error: cannot find type 'UINavigationController' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                            ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:87: error: cannot find type 'Context' in scope
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
                                                                                             ^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:30: error: 'View' is only available in macOS 10.15 or newer
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
                             ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:3:8: note: add @available attribute to enclosing generic struct
struct UIKitNavigation<Root: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:37: error: cannot find type 'UIHostingController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                           ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:31:86: error: cannot find type 'UINavigationController' in scope
        func prelayout(rootViewController: UIHostingController<Root>, navigationController: UINavigationController) {
                                                                                            ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:9:30: error: cannot find 'UINavigationController' in scope
                let navigationController = UINavigationController()
                                           ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:11:50: error: cannot infer contextual base in reference to member 'default'
                navigationController.navigationBar.barStyle = .default
                                                              ~^~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:5:33: error: cannot find type 'UINavigationController' in scope
        weak var navigationController: UINavigationController? {
                                       ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:52: error: cannot find type 'UINavigationController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                          ^~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:97:100: error: cannot find type 'UIViewController' in scope
        func navigationController(_ navigationController: UINavigationController, didShow viewController: UIViewController, animated: Bool) {
                                                                                                          ^~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:18:121: error: cannot find type 'UIHostingController' in scope
                if !navigationController.viewControllers.isEmpty, let hostingController = navigationController.viewControllers[0] as? UIHostingController<Root> {
                                                                                                                                      ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:21:29: error: cannot find 'UIHostingController' in scope
                        let rootViewController = UIHostingController(rootView: root)
                                                 ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:26:13: error: call to main actor-isolated instance method 'update(path:)' in a synchronous nonisolated context
                authority.update(path: path)
                          ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/NavigationAuthority.swift:80:18: note: calls to instance method 'update(path:)' from outside of its actor context are implicitly asynchronous
        @MainActor func update(path: NavigationPathBackport) {
                        ^
/Users/admin/builds/vMd7uqzK/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/NavigationStackBackport/UIKitNavigation.swift:17:7: note: add '@MainActor' to make instance method 'updateUIViewController(_:context:)' part of global actor 'MainActor'
        func updateUIViewController(_ navigationController: UINavigationController, context: Context) {
             ^
        @MainActor
BUILD FAILURE 5.8 macosSpm