Swift Package Index

Build Information

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

Build Command

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

Build Log

            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:14: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:17: note: add 'if #available' version check
                Color.clear
                ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:81:23: note: add 'if #available' version check
                Color.clear
                      ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtTest.swift:71:63: note: add 'if #available' version check
            .backgroundPreferenceValue(AxtPreferenceKey.self) {
                                                              ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:8:9: note: add 'if #available' version check
        AsyncThrowingStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:9:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:6:1: note: add @available attribute to enclosing extension
extension Publisher {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:31:9: note: add 'if #available' version check
        AsyncStream { continuation in
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+Compatibility.swift:32:31: note: add 'if #available' version check
            let cancellable = sink(
                              ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:15:14: note: add 'if #available' version check
            .values
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/Publisher+firstValue.swift:16:14: note: add 'if #available' version check
            .first { _ in true }
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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 {
       ^
[8/19] Compiling Axt View+testData.swift
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:6:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:15:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:214: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:214: note: add 'if #available' version check
    @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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:23:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:32:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:150: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:150: note: add 'if #available' version check
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:6:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:15:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:234: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:234: note: add 'if #available' version check
    @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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:23:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:32:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:170: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:170: note: add 'if #available' version check
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                                         ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:40:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:50:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:204: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:204: note: add 'if #available' version check
    @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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
[9/19] Compiling Axt View+testId.swift
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:6:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:15:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:214: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:4:214: note: add 'if #available' version check
    @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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:23:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:32:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:150: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:21:150: note: add 'if #available' version check
    @ViewBuilder func testData(label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testData.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:6:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:15:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:234: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:4:234: note: add 'if #available' version check
    @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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:23:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:32:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:170: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:21:170: note: add 'if #available' version check
    @ViewBuilder func testId(_ identifier: String, label: String? = nil, value: Any? = nil, action: (() -> Void)? = nil, setValue: ((Any?) -> Void)? = nil) -> some View {
                                                                                                                                                                         ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:40:28: note: add 'if #available' version check
        if AxtTest.enabled {
                           ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:50:16: note: add 'if #available' version check
        } else { self }
               ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:204: warning: conformance of '_ConditionalContent<TrueContent, FalseContent>' to '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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:38:204: note: add 'if #available' version check
    @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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/View+testId.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
[10/19] Compiling Axt Text.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:37: error: 'View' is only available in macOS 10.15 or newer
public struct TextModifier<Content: View>: Modifier {
                                    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:7:32: error: 'Text' is only available in macOS 10.15 or newer
        if let text = dig(for: Text.self, in: content) {
                               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:7:32: note: add 'if #available' version check
        if let text = dig(for: Text.self, in: content) {
                               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:42: error: 'View' is only available in macOS 10.15 or newer
public struct TextFieldModifier<Content: View>: Modifier {
                                         ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:7:32: error: 'Text' is only available in macOS 10.15 or newer
        if let text = dig(for: Text.self, in: content) {
                               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:7:32: note: add 'if #available' version check
        if let text = dig(for: Text.self, in: content) {
                               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:10:31: error: 'Binding' is only available in macOS 10.15 or newer
        let _value = dig(for: Binding<String>.self, in: content)
                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:10:31: note: add 'if #available' version check
        let _value = dig(for: Binding<String>.self, in: content)
                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
[11/19] Compiling Axt TextField.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:37: error: 'View' is only available in macOS 10.15 or newer
public struct TextModifier<Content: View>: Modifier {
                                    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:7:32: error: 'Text' is only available in macOS 10.15 or newer
        if let text = dig(for: Text.self, in: content) {
                               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:7:32: note: add 'if #available' version check
        if let text = dig(for: Text.self, in: content) {
                               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Text.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:42: error: 'View' is only available in macOS 10.15 or newer
public struct TextFieldModifier<Content: View>: Modifier {
                                         ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:7:32: error: 'Text' is only available in macOS 10.15 or newer
        if let text = dig(for: Text.self, in: content) {
                               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:7:32: note: add 'if #available' version check
        if let text = dig(for: Text.self, in: content) {
                               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:10:31: error: 'Binding' is only available in macOS 10.15 or newer
        let _value = dig(for: Binding<String>.self, in: content)
                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:10:31: note: add 'if #available' version check
        let _value = dig(for: Binding<String>.self, in: content)
                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/TextField.swift:3:15: note: add @available attribute to enclosing generic struct
public struct TextFieldModifier<Content: View>: Modifier {
              ^
[12/21] Compiling Axt printHierarchy.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:12:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var nodeId = UUID()
     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var visible = true
     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:5:25: error: 'View' is only available in macOS 10.15 or newer
struct AxtView<Content: View>: View {
                        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:37:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var nodeId = UUID()
     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:29:31: error: 'View' is only available in macOS 10.15 or newer
struct AxtInsertView<Content: View>: View {
                              ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:17:14: error: 'transformPreference' is only available in macOS 10.15 or newer
            .transformPreference(AxtPreferenceKey.self) { value in
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:24:14: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
            .onAppear { visible = true }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:24:25: error: setter for 'visible' is only available in macOS 10.15 or newer
            .onAppear { visible = true }
                        ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:14: error: 'onDisappear(perform:)' is only available in macOS 10.15 or newer
            .onDisappear { visible = false }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:14: note: add 'if #available' version check
            .onDisappear { visible = false }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:28: note: add 'if #available' version check
            .onDisappear { visible = false }
                           ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:41:14: note: add 'if #available' version check
            .transformPreference(AxtPreferenceKey.self) { value in
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
[13/21] Compiling Axt AxtView.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:12:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var nodeId = UUID()
     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var visible = true
     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:5:25: error: 'View' is only available in macOS 10.15 or newer
struct AxtView<Content: View>: View {
                        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:37:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var nodeId = UUID()
     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:29:31: error: 'View' is only available in macOS 10.15 or newer
struct AxtInsertView<Content: View>: View {
                              ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:17:14: error: 'transformPreference' is only available in macOS 10.15 or newer
            .transformPreference(AxtPreferenceKey.self) { value in
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:24:14: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
            .onAppear { visible = true }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:24:25: error: setter for 'visible' is only available in macOS 10.15 or newer
            .onAppear { visible = true }
                        ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:14: error: 'onDisappear(perform:)' is only available in macOS 10.15 or newer
            .onDisappear { visible = false }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:14: note: add 'if #available' version check
            .onDisappear { visible = false }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:28: note: add 'if #available' version check
            .onDisappear { visible = false }
                           ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:41:14: note: add 'if #available' version check
            .transformPreference(AxtPreferenceKey.self) { value in
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
[14/21] Compiling Axt Modifier.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:12:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var nodeId = UUID()
     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:13:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var visible = true
     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:5:25: error: 'View' is only available in macOS 10.15 or newer
struct AxtView<Content: View>: View {
                        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:37:6: error: 'State' is only available in macOS 10.15 or newer
    @State private var nodeId = UUID()
     ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:29:31: error: 'View' is only available in macOS 10.15 or newer
struct AxtInsertView<Content: View>: View {
                              ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:17:14: error: 'transformPreference' is only available in macOS 10.15 or newer
            .transformPreference(AxtPreferenceKey.self) { value in
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:24:14: error: 'onAppear(perform:)' is only available in macOS 10.15 or newer
            .onAppear { visible = true }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:24:25: error: setter for 'visible' is only available in macOS 10.15 or newer
            .onAppear { visible = true }
                        ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:14: error: 'onDisappear(perform:)' is only available in macOS 10.15 or newer
            .onDisappear { visible = false }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:14: note: add 'if #available' version check
            .onDisappear { visible = false }
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:25:28: note: add 'if #available' version check
            .onDisappear { visible = false }
                           ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:15:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:41:14: note: add 'if #available' version check
            .transformPreference(AxtPreferenceKey.self) { value in
             ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtView.swift:39:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Modifier.swift:3:17: note: add @available attribute to enclosing protocol
public protocol Modifier {
                ^
[15/21] Compiling Axt Button.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:3:15: note: add @available attribute to enclosing generic struct
public struct ButtonModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:3:39: error: 'View' is only available in macOS 10.15 or newer
public struct ButtonModifier<Content: View>: Modifier {
                                      ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:3:15: note: add @available attribute to enclosing generic struct
public struct ButtonModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:47: error: 'View' is only available in macOS 10.15 or newer
public struct NavigationLinkModifier<Content: View>: Modifier {
                                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:29:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isActive: Bool
     ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:30:19: error: 'State' is only available in macOS 10.15 or newer
    let content: (State<Bool>) -> Content
                  ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:20: error: 'State' is only available in macOS 10.15 or newer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:5: note: add @available attribute to enclosing initializer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:54: error: 'State' is only available in macOS 10.15 or newer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
                                                     ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:5: note: add @available attribute to enclosing initializer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:37:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:37:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:43: error: 'View' is only available in macOS 10.15 or newer
private struct AxtNavigationLink<Content: View>: View {
                                          ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:6:27: error: 'State' is only available in macOS 10.15 or newer
        let makeContent: (State<Bool>) -> Content = { state in
                          ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:6:27: note: add 'if #available' version check
        let makeContent: (State<Bool>) -> Content = { state in
                          ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:12:47: error: 'State' is only available in macOS 10.15 or newer
                pointer.withMemoryRebound(to: State<Bool>.self, capacity: 1) { statePointer in
                                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:12:47: note: add 'if #available' version check
                pointer.withMemoryRebound(to: State<Bool>.self, capacity: 1) { statePointer in
                                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:18:53: error: 'State' is only available in macOS 10.15 or newer
        return AxtNavigationLink(isActive: dig(for: State<Bool>.self, in: content)!, content: makeContent)
                                                    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:18:53: note: add 'if #available' version check
        return AxtNavigationLink(isActive: dig(for: State<Bool>.self, in: content)!, content: makeContent)
                                                    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:44:17: error: cannot pass as inout because setter for 'isActive' is only available in macOS 10.15 or newer
                isActive.toggle()
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:44:17: note: add 'if #available' version check
                isActive.toggle()
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:37:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
[16/21] Compiling Axt NavigationLink.swift
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:3:15: note: add @available attribute to enclosing generic struct
public struct ButtonModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:3:39: error: 'View' is only available in macOS 10.15 or newer
public struct ButtonModifier<Content: View>: Modifier {
                                      ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/Button.swift:3:15: note: add @available attribute to enclosing generic struct
public struct ButtonModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:50: error: 'View' is only available in macOS 10.15 or newer
    public func make(_ content: Content) -> some View {
                                                 ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:47: error: 'View' is only available in macOS 10.15 or newer
public struct NavigationLinkModifier<Content: View>: Modifier {
                                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:29:6: error: 'State' is only available in macOS 10.15 or newer
    @State var isActive: Bool
     ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:30:19: error: 'State' is only available in macOS 10.15 or newer
    let content: (State<Bool>) -> Content
                  ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:20: error: 'State' is only available in macOS 10.15 or newer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:5: note: add @available attribute to enclosing initializer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:54: error: 'State' is only available in macOS 10.15 or newer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
                                                     ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:32:5: note: add @available attribute to enclosing initializer
    init(isActive: State<Bool>, content: @escaping ((State<Bool>) -> Content)) {
    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:37:20: error: 'View' is only available in macOS 10.15 or newer
    var body: some View {
                   ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:37:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:43: error: 'View' is only available in macOS 10.15 or newer
private struct AxtNavigationLink<Content: View>: View {
                                          ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:6:27: error: 'State' is only available in macOS 10.15 or newer
        let makeContent: (State<Bool>) -> Content = { state in
                          ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:6:27: note: add 'if #available' version check
        let makeContent: (State<Bool>) -> Content = { state in
                          ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:12:47: error: 'State' is only available in macOS 10.15 or newer
                pointer.withMemoryRebound(to: State<Bool>.self, capacity: 1) { statePointer in
                                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:12:47: note: add 'if #available' version check
                pointer.withMemoryRebound(to: State<Bool>.self, capacity: 1) { statePointer in
                                              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:18:53: error: 'State' is only available in macOS 10.15 or newer
        return AxtNavigationLink(isActive: dig(for: State<Bool>.self, in: content)!, content: makeContent)
                                                    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:18:53: note: add 'if #available' version check
        return AxtNavigationLink(isActive: dig(for: State<Bool>.self, in: content)!, content: makeContent)
                                                    ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:5:17: note: add @available attribute to enclosing instance method
    public func make(_ content: Content) -> some View {
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:3:15: note: add @available attribute to enclosing generic struct
public struct NavigationLinkModifier<Content: View>: Modifier {
              ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:44:17: error: cannot pass as inout because setter for 'isActive' is only available in macOS 10.15 or newer
                isActive.toggle()
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:44:17: note: add 'if #available' version check
                isActive.toggle()
                ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:37:9: note: add @available attribute to enclosing property
    var body: some View {
        ^
/Users/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/Native/NavigationLink.swift:25:16: note: add @available attribute to enclosing generic struct
private struct AxtNavigationLink<Content: View>: View {
               ^
[17/21] Compiling Axt dig.swift
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:28: note: opaque return type declared here
    func hostAxtSheet() -> some View {
                           ^~~~~~~~~
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
[18/21] Compiling Axt hostAxtSheet.swift
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:3:8: note: add @available attribute to enclosing extension
public extension View {
       ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/hostAxtSheet.swift:6:28: note: opaque return type declared here
    func hostAxtSheet() -> some View {
                           ^~~~~~~~~
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~
[19/21] Compiling Axt AxtChildNode.swift
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: note: add 'if #available' version check
            .removeDuplicates()
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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
[20/21] Compiling Axt AxtElement.swift
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: note: add 'if #available' version check
            .removeDuplicates()
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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
[21/21] Compiling Axt AxtNode.swift
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtChildNode.swift:6:7: note: add @available attribute to enclosing class
class AxtChildNode: AxtNode {
      ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:6:10: note: add @available attribute to enclosing protocol
protocol AxtNode: AxtElement {
         ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:63:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:69:14: note: add 'if #available' version check
            .removeDuplicates()
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:70:14: note: add 'if #available' version check
            .firstValue(timeout: timeout)
             ^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/finestructure/swiftpackageindex-builder/spi-builder-workspace/Sources/Axt/AxtTest/AxtNode.swift:12:1: note: add @available attribute to enclosing extension
extension AxtNode {
^
/Users/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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/builder/builds/UKfvDsi8u/0/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
error: fatalError
BUILD FAILURE 5.10 macosSpm