Swift Package Index

Build Information

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

Build Command

Build command unavailable

Build Log

struct AxtView<Content: View>: View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:28: error: setter for 'visible' is only available in macOS 10.15 or newer
            .onDisappear { visible = false }
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:28: note: add 'if #available' version check
            .onDisappear { visible = false }
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:5:8: note: add @available attribute to enclosing generic struct
struct AxtView<Content: View>: View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:41:14: error: 'transformPreference' is only available in macOS 10.15 or newer
            .transformPreference(AxtPreferenceKey.self) { value in
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:41:14: note: add 'if #available' version check
            .transformPreference(AxtPreferenceKey.self) { value in
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:29:8: note: add @available attribute to enclosing generic struct
struct AxtInsertView<Content: View>: View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:4:29: error: 'View' is only available in macOS 10.15 or newer
    associatedtype Content: View
                            ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:6:26: error: 'View' is only available in macOS 10.15 or newer
    associatedtype Body: View
                         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
[11/20] Compiling Axt AxtTest.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:7:25: error: cannot find type 'UIWindow' in scope
    private var window: UIWindow!
                        ^~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:8:48: error: cannot find type 'UIViewController' in scope
    public private(set) var hostingController: UIViewController!
                                               ^~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:13:30: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    private let axtSubject = CurrentValueSubject<Axt?, Never>(nil)
                             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    public init<V: View>(_ view: V) {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:12: note: add @available attribute to enclosing initializer
    public init<V: View>(_ view: V) {
           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:32: error: 'View' is only available in macOS 10.15 or newer
    public static func host<V: View>(_ view: V) async -> AxtTest {
                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:64:21: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    let axtSubject: CurrentValueSubject<Axt?, Never>
                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:34: error: 'View' is only available in macOS 10.15 or newer
private struct HostView<Content: View>: View {
                                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:17:29: error: cannot find 'UIHostingController' in scope
        hostingController = UIHostingController(rootView: host)
                            ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: error: 'dropFirst' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: error: 'first(where:)' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:30:28: error: cannot find 'UIApplication' in scope
        let windowScenes = UIApplication.shared.connectedScenes
                           ^~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:31:50: error: cannot find type 'UIWindowScene' in scope
        guard let scene = windowScenes.first as? UIWindowScene else {
                                                 ^~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:34:18: error: cannot find 'UIWindow' in scope
        window = UIWindow(windowScene: scene)
                 ^~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: error: 'withCheckedContinuation(function:_:)' is only available in macOS 10.15 or newer
        return await withCheckedContinuation { cont in
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: note: add 'if #available' version check
        return await withCheckedContinuation { cont in
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: error: 'resume()' is only available in macOS 10.15 or newer
                cont.resume()
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: note: add 'if #available' version check
                cont.resume()
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: error: 'map' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: error: 'dropFirst' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: error: 'eraseToAnyPublisher()' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:14: error: 'border(_:width:)' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:22: error: 'red' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:69:14: error: 'padding' is only available in macOS 10.15 or newer
            .padding()
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: error: 'backgroundPreferenceValue(_:alignment:_:)' is only available in macOS 13.0 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: error: 'Color' is only available in macOS 10.15 or newer
                Color.clear
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: note: add 'if #available' version check
                Color.clear
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: error: 'clear' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:17: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
    var values: AsyncThrowingStream<Output, Error> {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:17: error: 'AsyncStream' is only available in macOS 10.15 or newer
    var values: AsyncStream<Output> {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
        AsyncThrowingStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: note: add 'if #available' version check
        AsyncThrowingStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: error: 'AsyncStream' is only available in macOS 10.15 or newer
        AsyncStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: note: add 'if #available' version check
        AsyncStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: error: 'timeout(_:scheduler:options:customError:)' is only available in macOS 10.15 or newer
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: note: add 'if #available' version check
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: warning: conformance of 'DispatchQueue' to 'Scheduler' is only available in macOS 10.15 or newer
            .values
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: note: add 'if #available' version check
            .values
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: error: 'first(where:)' is only available in macOS 10.15 or newer
            .first { _ in true }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: note: add 'if #available' version check
            .first { _ in true }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
[12/20] Compiling Axt Publisher+Compatibility.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:7:25: error: cannot find type 'UIWindow' in scope
    private var window: UIWindow!
                        ^~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:8:48: error: cannot find type 'UIViewController' in scope
    public private(set) var hostingController: UIViewController!
                                               ^~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:13:30: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    private let axtSubject = CurrentValueSubject<Axt?, Never>(nil)
                             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    public init<V: View>(_ view: V) {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:12: note: add @available attribute to enclosing initializer
    public init<V: View>(_ view: V) {
           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:32: error: 'View' is only available in macOS 10.15 or newer
    public static func host<V: View>(_ view: V) async -> AxtTest {
                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:64:21: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    let axtSubject: CurrentValueSubject<Axt?, Never>
                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:34: error: 'View' is only available in macOS 10.15 or newer
private struct HostView<Content: View>: View {
                                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:17:29: error: cannot find 'UIHostingController' in scope
        hostingController = UIHostingController(rootView: host)
                            ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: error: 'dropFirst' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: error: 'first(where:)' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:30:28: error: cannot find 'UIApplication' in scope
        let windowScenes = UIApplication.shared.connectedScenes
                           ^~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:31:50: error: cannot find type 'UIWindowScene' in scope
        guard let scene = windowScenes.first as? UIWindowScene else {
                                                 ^~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:34:18: error: cannot find 'UIWindow' in scope
        window = UIWindow(windowScene: scene)
                 ^~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: error: 'withCheckedContinuation(function:_:)' is only available in macOS 10.15 or newer
        return await withCheckedContinuation { cont in
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: note: add 'if #available' version check
        return await withCheckedContinuation { cont in
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: error: 'resume()' is only available in macOS 10.15 or newer
                cont.resume()
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: note: add 'if #available' version check
                cont.resume()
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: error: 'map' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: error: 'dropFirst' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: error: 'eraseToAnyPublisher()' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:14: error: 'border(_:width:)' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:22: error: 'red' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:69:14: error: 'padding' is only available in macOS 10.15 or newer
            .padding()
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: error: 'backgroundPreferenceValue(_:alignment:_:)' is only available in macOS 13.0 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: error: 'Color' is only available in macOS 10.15 or newer
                Color.clear
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: note: add 'if #available' version check
                Color.clear
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: error: 'clear' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:17: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
    var values: AsyncThrowingStream<Output, Error> {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:17: error: 'AsyncStream' is only available in macOS 10.15 or newer
    var values: AsyncStream<Output> {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
        AsyncThrowingStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: note: add 'if #available' version check
        AsyncThrowingStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: error: 'AsyncStream' is only available in macOS 10.15 or newer
        AsyncStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: note: add 'if #available' version check
        AsyncStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: error: 'timeout(_:scheduler:options:customError:)' is only available in macOS 10.15 or newer
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: note: add 'if #available' version check
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: warning: conformance of 'DispatchQueue' to 'Scheduler' is only available in macOS 10.15 or newer
            .values
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: note: add 'if #available' version check
            .values
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: error: 'first(where:)' is only available in macOS 10.15 or newer
            .first { _ in true }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: note: add 'if #available' version check
            .first { _ in true }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
[13/20] Compiling Axt Publisher+firstValue.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:7:25: error: cannot find type 'UIWindow' in scope
    private var window: UIWindow!
                        ^~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:8:48: error: cannot find type 'UIViewController' in scope
    public private(set) var hostingController: UIViewController!
                                               ^~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:13:30: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    private let axtSubject = CurrentValueSubject<Axt?, Never>(nil)
                             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    public init<V: View>(_ view: V) {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:15:12: note: add @available attribute to enclosing initializer
    public init<V: View>(_ view: V) {
           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:32: error: 'View' is only available in macOS 10.15 or newer
    public static func host<V: View>(_ view: V) async -> AxtTest {
                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:64:21: error: 'CurrentValueSubject' is only available in macOS 10.15 or newer
    let axtSubject: CurrentValueSubject<Axt?, Never>
                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:34: error: 'View' is only available in macOS 10.15 or newer
private struct HostView<Content: View>: View {
                                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:17:29: error: cannot find 'UIHostingController' in scope
        hostingController = UIHostingController(rootView: host)
                            ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: error: 'dropFirst' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:37: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: error: 'first(where:)' is only available in macOS 10.15 or newer
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:24:56: note: add 'if #available' version check
        _ = await axTest.axtSubject.dropFirst().values.first { _ in true }
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:21:24: note: add @available attribute to enclosing static method
    public static func host<V: View>(_ view: V) async -> AxtTest {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:30:28: error: cannot find 'UIApplication' in scope
        let windowScenes = UIApplication.shared.connectedScenes
                           ^~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:31:50: error: cannot find type 'UIWindowScene' in scope
        guard let scene = windowScenes.first as? UIWindowScene else {
                                                 ^~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:34:18: error: cannot find 'UIWindow' in scope
        window = UIWindow(windowScene: scene)
                 ^~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: error: 'withCheckedContinuation(function:_:)' is only available in macOS 10.15 or newer
        return await withCheckedContinuation { cont in
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:46:22: note: add 'if #available' version check
        return await withCheckedContinuation { cont in
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: error: 'resume()' is only available in macOS 10.15 or newer
                cont.resume()
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:48:22: note: add 'if #available' version check
                cont.resume()
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:45:24: note: add @available attribute to enclosing static method
    public static func yield() async {
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:6:20: note: add @available attribute to enclosing class
public final class AxtTest {
                   ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: error: 'map' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:63: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: error: 'dropFirst' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:76: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: error: 'eraseToAnyPublisher()' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:88: note: add 'if #available' version check
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
                                                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:59:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { axtSubject.map { _ in }.dropFirst().eraseToAnyPublisher() }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:54:1: note: add @available attribute to enclosing extension
extension AxtTest: AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:14: error: 'border(_:width:)' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:68:22: error: 'red' is only available in macOS 10.15 or newer
            .border(.red, width: 2)
                     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:69:14: error: 'padding' is only available in macOS 10.15 or newer
            .padding()
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: error: 'backgroundPreferenceValue(_:alignment:_:)' is only available in macOS 13.0 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: error: 'Color' is only available in macOS 10.15 or newer
                Color.clear
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: note: add 'if #available' version check
                Color.clear
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: error: 'clear' is only available in macOS 10.15 or newer
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: warning: conformance of 'Color' to 'View' is only available in macOS 10.15 or newer
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:66:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:62:16: note: add @available attribute to enclosing generic struct
private struct HostView<Content: View>: View {
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:17: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
    var values: AsyncThrowingStream<Output, Error> {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:11: error: 'Publisher' is only available in macOS 10.15 or newer
extension Publisher {
          ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:17: error: 'AsyncStream' is only available in macOS 10.15 or newer
    var values: AsyncStream<Output> {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: error: 'AsyncThrowingStream' is only available in macOS 10.15 or newer
        AsyncThrowingStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: note: add 'if #available' version check
        AsyncThrowingStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:7:9: note: add @available attribute to enclosing property
    var values: AsyncThrowingStream<Output, Error> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: error: 'AsyncStream' is only available in macOS 10.15 or newer
        AsyncStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: note: add 'if #available' version check
        AsyncStream { continuation in
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: error: 'sink(receiveCompletion:receiveValue:)' is only available in macOS 10.15 or newer
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:30:9: note: add @available attribute to enclosing property
    var values: AsyncStream<Output> {
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:29:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:18: error: 'Publisher' is only available in macOS 10.15 or newer
public extension Publisher where Failure == Never {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: error: 'timeout(_:scheduler:options:customError:)' is only available in macOS 10.15 or newer
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:14:32: note: add 'if #available' version check
        let value = await self.timeout(.seconds(timeout), scheduler: DispatchQueue.main)
                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: warning: conformance of 'DispatchQueue' to 'Scheduler' is only available in macOS 10.15 or newer
            .values
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: note: add 'if #available' version check
            .values
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: error: 'first(where:)' is only available in macOS 10.15 or newer
            .first { _ in true }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: note: add 'if #available' version check
            .first { _ in true }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:13:10: note: add @available attribute to enclosing instance method
    func firstValue(timeout: TimeInterval = 1) async throws -> Output {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:8:8: note: add @available attribute to enclosing extension
public extension Publisher where Failure == Never {
       ^
[14/20] Compiling Axt dig.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:33: error: 'View' is only available in macOS 10.15 or newer
    func hostAxtSheet() -> some View {
                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:10: note: add @available attribute to enclosing instance method
    func hostAxtSheet() -> some View {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:59: error: cannot find type 'UIViewController' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                                          ^~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:47: error: cannot find type 'Context' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                              ^~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:43: error: cannot find type 'UIViewController' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                          ^~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:70: error: cannot find type 'Context' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                                                     ^~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:35:53: error: cannot find type 'UIViewController' in scope
    public static func dismantleUIViewController(_: UIViewController, coordinator: Coordinator) {
                                                    ^~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:33: error: cannot find type 'UIViewControllerRepresentable' in scope
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:26: error: 'View' is only available in macOS 10.15 or newer
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:8: note: add @available attribute to enclosing generic struct
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:8:9: error: return type of instance method 'hostAxtSheet()' requires that 'AxtSheet<Self>' conform to 'View'
        AxtSheet(content: self)
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:28: note: opaque return type declared here
    func hostAxtSheet() -> some View {
                           ^~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:32:38: error: cannot find type 'UIHostingController' in scope
        (test?.hostingController as? UIHostingController<Content>)?.rootView = content
                                     ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:32:78: error: type of expression is ambiguous without a type annotation
        (test?.hostingController as? UIHostingController<Content>)?.rootView = content
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
[15/20] Compiling Axt hostAxtSheet.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:33: error: 'View' is only available in macOS 10.15 or newer
    func hostAxtSheet() -> some View {
                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:10: note: add @available attribute to enclosing instance method
    func hostAxtSheet() -> some View {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:59: error: cannot find type 'UIViewController' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                                          ^~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:24:47: error: cannot find type 'Context' in scope
    public func makeUIViewController(context: Context) -> UIViewController {
                                              ^~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:43: error: cannot find type 'UIViewController' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                          ^~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:30:70: error: cannot find type 'Context' in scope
    public func updateUIViewController(_: UIViewController, context: Context) {
                                                                     ^~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:35:53: error: cannot find type 'UIViewController' in scope
    public static func dismantleUIViewController(_: UIViewController, coordinator: Coordinator) {
                                                    ^~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:33: error: cannot find type 'UIViewControllerRepresentable' in scope
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                                ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:26: error: 'View' is only available in macOS 10.15 or newer
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
                         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:17:8: note: add @available attribute to enclosing generic struct
struct AxtSheet<Content: View>: UIViewControllerRepresentable {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:8:9: error: return type of instance method 'hostAxtSheet()' requires that 'AxtSheet<Self>' conform to 'View'
        AxtSheet(content: self)
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:28: note: opaque return type declared here
    func hostAxtSheet() -> some View {
                           ^~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:32:38: error: cannot find type 'UIHostingController' in scope
        (test?.hostingController as? UIHostingController<Content>)?.rootView = content
                                     ^~~~~~~~~~~~~~~~~~~
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:32:78: error: type of expression is ambiguous without a type annotation
        (test?.hostingController as? UIHostingController<Content>)?.rootView = content
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
[16/20] Compiling Axt AxtChildNode.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    let rootDidChange: AnyPublisher<Void, Never>
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:69: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
                                                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:5: note: add @available attribute to enclosing initializer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { get }
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { get }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: error: 'filter' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: error: 'map' is only available in macOS 10.15 or newer
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: note: add 'if #available' version check
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: error: 'compactMap' is only available in macOS 10.15 or newer
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: note: add 'if #available' version check
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: error: 'map' is only available in macOS 10.15 or newer
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: note: add 'if #available' version check
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: error: 'removeDuplicates()' is only available in macOS 10.15 or newer
            .removeDuplicates()
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: note: add 'if #available' version check
            .removeDuplicates()
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: error: 'compactMap' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: error: 'prepend' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
<unknown>:0: error: 'makeAsyncIterator()' is only available in macOS 10.15 or newer
[17/20] Compiling Axt AxtElement.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    let rootDidChange: AnyPublisher<Void, Never>
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:69: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
                                                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:5: note: add @available attribute to enclosing initializer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { get }
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { get }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: error: 'filter' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: error: 'map' is only available in macOS 10.15 or newer
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: note: add 'if #available' version check
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: error: 'compactMap' is only available in macOS 10.15 or newer
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: note: add 'if #available' version check
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: error: 'map' is only available in macOS 10.15 or newer
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: note: add 'if #available' version check
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: error: 'removeDuplicates()' is only available in macOS 10.15 or newer
            .removeDuplicates()
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: note: add 'if #available' version check
            .removeDuplicates()
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: error: 'compactMap' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: error: 'prepend' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
<unknown>:0: error: 'makeAsyncIterator()' is only available in macOS 10.15 or newer
[18/20] Compiling Axt AxtNode.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    let rootDidChange: AnyPublisher<Void, Never>
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:69: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
                                                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:11:5: note: add @available attribute to enclosing initializer
    init(nodeId: UUID, getRoot: @escaping () -> Axt, rootDidChange: AnyPublisher<Void, Never>) {
    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:24: error: 'AnyPublisher' is only available in macOS 10.15 or newer
    var rootDidChange: AnyPublisher<Void, Never> { get }
                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:9:9: note: add @available attribute to enclosing property
    var rootDidChange: AnyPublisher<Void, Never> { get }
        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: error: 'filter' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:33: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:57:56: note: add 'if #available' version check
        try await rootDidChange.filter { condition() }.firstValue(timeout: timeout)
                                                       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:56:17: note: add @available attribute to enclosing instance method
    public func waitForCondition(timeout: TimeInterval, condition: @escaping () -> Bool) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: error: 'map' is only available in macOS 10.15 or newer
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:61:43: note: add 'if #available' version check
        let axt = try await rootDidChange.map { self.axt }
                                          ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: error: 'compactMap' is only available in macOS 10.15 or newer
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:62:14: note: add 'if #available' version check
            .compactMap { axt in axt.find(where: { child in child.id == id }) }
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:60:17: note: add @available attribute to enclosing instance method
    public func waitForElement(id: String, timeout: TimeInterval) async throws -> AxtElement {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: error: 'map' is only available in macOS 10.15 or newer
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:68:37: note: add 'if #available' version check
        _ = try await rootDidChange.map { self.axt }
                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: error: 'removeDuplicates()' is only available in macOS 10.15 or newer
            .removeDuplicates()
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: note: add 'if #available' version check
            .removeDuplicates()
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:67:17: note: add @available attribute to enclosing instance method
    public func waitForUpdate(timeout: TimeInterval) async throws {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: error: 'compactMap' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:48: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: error: 'prepend' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:94: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                             ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: warning: conformance of 'AnyPublisher<Output, Failure>' to 'Publisher' is only available in macOS 10.15 or newer
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:74:129: note: add 'if #available' version check
        for await description in rootDidChange.compactMap({ self.axt?.describeHierarchy() }).prepend([axt.describeHierarchy()]).values {
                                                                                                                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:73:17: note: add @available attribute to enclosing instance method
    public func watchHierarchy() async {
                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
<unknown>:0: error: 'makeAsyncIterator()' is only available in macOS 10.15 or newer
[19/20] Compiling Axt View+testData.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:185: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                                                                                                                                                                                        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:145: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:6:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:6:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:15:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:15:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:23:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:23:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:32:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:32:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:205: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                                                                                                                                                                                                            ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:165: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:199: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                                                                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:6:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:6:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:15:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:15:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:23:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:23:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:32:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:32:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:40:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:40:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:50:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:50:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
[20/20] Compiling Axt View+testId.swift
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:185: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                                                                                                                                                                                        ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:145: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:6:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:6:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:15:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:15:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData<M: Modifier>(type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:23:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:23:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:32:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:32:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:205: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                                                                                                                                                                                                            ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:165: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                                    ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:199: error: 'View' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                                                                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:6: error: 'ViewBuilder' is only available in macOS 10.15 or newer
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
     ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:18: error: 'View' is only available in macOS 10.15 or newer
public extension View {
                 ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:6:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:6:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:15:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:15:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId<M: Modifier>(_ identifier: String, type: NativeView<Self, M>, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View where M.Content == Self {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:23:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:23:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:32:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:32:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:40:28: error: 'buildEither(first:)' is only available in macOS 10.15 or newer
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:40:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:50:16: error: 'buildEither(second:)' is only available in macOS 10.15 or newer
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:50:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:23: note: add @available attribute to enclosing instance method
    @ViewBuilder func testId(insert identifier: String, when condition: Bool = true, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                      ^
/Users/admin/builds/h8344Zi3/1/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
error: fatalError
BUILD FAILURE 5.9 macosSpm