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Build Information

Failed to build WWHttpFetchTool, reference main (359ab7), with Swift 6.2 for macOS (SPM) on 28 Jun 2026 07:52:06 UTC.

Build Command

env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
========================================
Builder version: undefined version: run 'make version' to update
Interrupt handler set up.
========================================
Checkout
========================================
Clone URL: https://github.com/William-Weng/WWHttpFetchTool.git
Reference: main
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/William-Weng/WWHttpFetchTool
 * branch            main       -> FETCH_HEAD
 * [new branch]      main       -> origin/main
HEAD is now at 359ab7c Update README.en.md
Cloned https://github.com/William-Weng/WWHttpFetchTool.git
Revision (git rev-parse @):
359ab7c87f7ce4bd27473d1aea5bf3a9d134fbcd
SUCCESS checkout https://github.com/William-Weng/WWHttpFetchTool.git at main
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.2
Building package at path:  $PWD
https://github.com/William-Weng/WWHttpFetchTool.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-26.3.0.app xcrun swift build --arch arm64
Building for debugging...
[0/3] Write sources
[1/3] Copying Privacy
[2/3] Write swift-version--3CB7CFEC50E0D141.txt
error: emit-module command failed with exit code 1 (use -v to see invocation)
[4/8] Compiling WWHttpFetchTool resource_bundle_accessor.swift
[5/8] Emitting module WWHttpFetchTool
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:41:6: error: 'Generable(description:)' is only available in macOS 26.0 or newer
22 | }
23 |
24 | extension WWHttpFetchTool {
   | `- note: add '@available' attribute to enclosing extension
25 |
26 |     @Generable
   :
39 |     }
40 |
41 |     @Generable
   |      `- error: 'Generable(description:)' is only available in macOS 26.0 or newer
42 |     public struct Arguments: Sendable {
43 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:26:6: error: 'Generable(description:)' is only available in macOS 26.0 or newer
22 | }
23 |
24 | extension WWHttpFetchTool {
   | `- note: add '@available' attribute to enclosing extension
25 |
26 |     @Generable
   |      `- error: 'Generable(description:)' is only available in macOS 26.0 or newer
27 |     public struct HeaderItem: Sendable {
28 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:29:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
25 |
26 |     @Generable
27 |     public struct HeaderItem: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
30 |         public var name: String
31 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:32:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
25 |
26 |     @Generable
27 |     public struct HeaderItem: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
30 |         public var name: String
31 |
32 |         @Guide(description: "Header value.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
33 |         public var value: String
34 |
macro expansion @Generable:1:66: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               |                                  `- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:11:42: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        |                 `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |13 |     addProperty(name: "name", value: self.name)
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:32:20: error: 'GenerationID' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |   |                    `- error: 'GenerationID' is only available in macOS 26.0 or newer
   |33 |     public var name: String.PartiallyGenerated?
   |34 |     public var value: String.PartiallyGenerated?
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:33:29: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   |   |                             `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |34 |     public var value: String.PartiallyGenerated?
   |35 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:34:30: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   |34 |     public var value: String.PartiallyGenerated?
   |   |                              `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |35 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |36 |         self.id = content.id ?? GenerationID()
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:35:57: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   |34 |     public var value: String.PartiallyGenerated?
   |35 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        |                                `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |36 |         self.id = content.id ?? GenerationID()
   |37 |         self.name = try content.value(forProperty: "name")
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:31:27: warning: protocol 'Identifiable' requires 'GenerationID' to be available in macOS 10.15 and newer; this will be an error in a future Swift language mode
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- warning: protocol 'Identifiable' requires 'GenerationID' to be available in macOS 10.15 and newer; this will be an error in a future Swift language mode
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   +--------------------------------------------------------------------
40 |
41 |     @Generable
FoundationModels.GenerationID:4:15: note: 'GenerationID' declared here
2 | @available(tvOS, unavailable)
3 | @available(watchOS, unavailable)
4 | public struct GenerationID : Sendable, Hashable {
  |               `- note: 'GenerationID' declared here
5 |     public init()
6 |     public static func == (a: GenerationID, b: GenerationID) -> Bool
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:26:6: error: 'Generable(description:)' is only available in macOS 26.0 or newer
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |      `- error: 'Generable(description:)' is only available in macOS 26.0 or newer
27 |     public struct HeaderItem: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:44:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
40 |
41 |     @Generable
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
45 |         public var url: String
46 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:47:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
40 |
41 |     @Generable
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
45 |         public var url: String
46 |
47 |         @Guide(description: "HTTP method, for example GET or POST.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
48 |         public var method: String?
49 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:50:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
40 |
41 |     @Generable
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
48 |         public var method: String?
49 |
50 |         @Guide(description: "Optional mode: auto, text, html, or json.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
51 |         public var mode: String?
52 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:53:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
40 |
41 |     @Generable
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
51 |         public var mode: String?
52 |
53 |         @Guide(description: "Optional headers as name-value pairs.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
54 |         public var headers: [HeaderItem]?
55 |
macro expansion @Generable:1:66: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               |                                  `- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:13:42: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        |                 `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:36:20: error: 'GenerationID' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |   |                    `- error: 'GenerationID' is only available in macOS 26.0 or newer
   |37 |     public var url: String.PartiallyGenerated?
   |38 |     public var method: String?.PartiallyGenerated?
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:37:28: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |   |                            `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |38 |     public var method: String?.PartiallyGenerated?
   |39 |     public var mode: String?.PartiallyGenerated?
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:38:32: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |38 |     public var method: String?.PartiallyGenerated?
   |   |                                `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:39:30: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |38 |     public var method: String?.PartiallyGenerated?
   |39 |     public var mode: String?.PartiallyGenerated?
   |   |                              `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:40:39: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |38 |     public var method: String?.PartiallyGenerated?
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |   |                                       `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |42 |         self.id = content.id ?? GenerationID()
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:41:57: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |   :
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        |                                `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |42 |         self.id = content.id ?? GenerationID()
   |43 |         self.url = try content.value(forProperty: "url")
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:35:27: warning: protocol 'Identifiable' requires 'GenerationID' to be available in macOS 10.15 and newer; this will be an error in a future Swift language mode
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- warning: protocol 'Identifiable' requires 'GenerationID' to be available in macOS 10.15 and newer; this will be an error in a future Swift language mode
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   +--------------------------------------------------------------------
63 | }
64 |
FoundationModels.GenerationID:4:15: note: 'GenerationID' declared here
2 | @available(tvOS, unavailable)
3 | @available(watchOS, unavailable)
4 | public struct GenerationID : Sendable, Hashable {
  |               `- note: 'GenerationID' declared here
5 |     public init()
6 |     public static func == (a: GenerationID, b: GenerationID) -> Bool
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:41:6: error: 'Generable(description:)' is only available in macOS 26.0 or newer
39 |     }
40 |
41 |     @Generable
   |      `- error: 'Generable(description:)' is only available in macOS 26.0 or newer
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
macro expansion @Generable:2:57: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.Arguments: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        |                                `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.url = try content.value(forProperty: "url")
   |4 |         self.method = try content.value(forProperty: "method")
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
macro expansion @Generable:2:57: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.HeaderItem: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        |                                `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.name = try content.value(forProperty: "name")
   |4 |         self.value = try content.value(forProperty: "value")
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
[6/8] Compiling WWHttpFetchTool Error.swift
[7/8] Compiling WWHttpFetchTool WWHttpFetchTool.swift
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:41:6: error: 'Generable(description:)' is only available in macOS 26.0 or newer
22 | }
23 |
24 | extension WWHttpFetchTool {
   | `- note: add '@available' attribute to enclosing extension
25 |
26 |     @Generable
   :
39 |     }
40 |
41 |     @Generable
   |      `- error: 'Generable(description:)' is only available in macOS 26.0 or newer
42 |     public struct Arguments: Sendable {
43 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:26:6: error: 'Generable(description:)' is only available in macOS 26.0 or newer
22 | }
23 |
24 | extension WWHttpFetchTool {
   | `- note: add '@available' attribute to enclosing extension
25 |
26 |     @Generable
   |      `- error: 'Generable(description:)' is only available in macOS 26.0 or newer
27 |     public struct HeaderItem: Sendable {
28 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:29:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
25 |
26 |     @Generable
27 |     public struct HeaderItem: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
30 |         public var name: String
31 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:32:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
25 |
26 |     @Generable
27 |     public struct HeaderItem: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
30 |         public var name: String
31 |
32 |         @Guide(description: "Header value.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
33 |         public var value: String
34 |
macro expansion @Generable:1:66: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               |                                  `- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:11:42: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        |                 `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |13 |     addProperty(name: "name", value: self.name)
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:32:20: error: 'GenerationID' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |   |                    `- error: 'GenerationID' is only available in macOS 26.0 or newer
   |33 |     public var name: String.PartiallyGenerated?
   |34 |     public var value: String.PartiallyGenerated?
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:33:29: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   |   |                             `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |34 |     public var value: String.PartiallyGenerated?
   |35 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:34:30: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   |34 |     public var value: String.PartiallyGenerated?
   |   |                              `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |35 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |36 |         self.id = content.id ?? GenerationID()
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:35:57: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   |34 |     public var value: String.PartiallyGenerated?
   |35 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        |                                `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |36 |         self.id = content.id ?? GenerationID()
   |37 |         self.name = try content.value(forProperty: "name")
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:31:27: warning: protocol 'Identifiable' requires 'GenerationID' to be available in macOS 10.15 and newer; this will be an error in a future Swift language mode
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- warning: protocol 'Identifiable' requires 'GenerationID' to be available in macOS 10.15 and newer; this will be an error in a future Swift language mode
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   +--------------------------------------------------------------------
40 |
41 |     @Generable
FoundationModels.GenerationID:4:15: note: 'GenerationID' declared here
2 | @available(tvOS, unavailable)
3 | @available(watchOS, unavailable)
4 | public struct GenerationID : Sendable, Hashable {
  |               `- note: 'GenerationID' declared here
5 |     public init()
6 |     public static func == (a: GenerationID, b: GenerationID) -> Bool
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:26:6: error: 'Generable(description:)' is only available in macOS 26.0 or newer
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |      `- error: 'Generable(description:)' is only available in macOS 26.0 or newer
27 |     public struct HeaderItem: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:44:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
40 |
41 |     @Generable
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
45 |         public var url: String
46 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:47:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
40 |
41 |     @Generable
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
45 |         public var url: String
46 |
47 |         @Guide(description: "HTTP method, for example GET or POST.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
48 |         public var method: String?
49 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:50:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
40 |
41 |     @Generable
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
48 |         public var method: String?
49 |
50 |         @Guide(description: "Optional mode: auto, text, html, or json.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
51 |         public var mode: String?
52 |
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:53:10: error: 'Guide(description:)' is only available in macOS 26.0 or newer
40 |
41 |     @Generable
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
51 |         public var mode: String?
52 |
53 |         @Guide(description: "Optional headers as name-value pairs.")
   |          `- error: 'Guide(description:)' is only available in macOS 26.0 or newer
54 |         public var headers: [HeaderItem]?
55 |
macro expansion @Generable:1:66: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               |                                  `- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:13:42: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        |                 `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:36:20: error: 'GenerationID' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |   |                    `- error: 'GenerationID' is only available in macOS 26.0 or newer
   |37 |     public var url: String.PartiallyGenerated?
   |38 |     public var method: String?.PartiallyGenerated?
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:37:28: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |   |                            `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |38 |     public var method: String?.PartiallyGenerated?
   |39 |     public var mode: String?.PartiallyGenerated?
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:38:32: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |38 |     public var method: String?.PartiallyGenerated?
   |   |                                `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:39:30: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |38 |     public var method: String?.PartiallyGenerated?
   |39 |     public var mode: String?.PartiallyGenerated?
   |   |                              `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:40:39: error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |38 |     public var method: String?.PartiallyGenerated?
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |   |                                       `- error: 'PartiallyGenerated' is only available in macOS 26.0 or newer
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |42 |         self.id = content.id ?? GenerationID()
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:41:57: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |   :
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        |                                `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |42 |         self.id = content.id ?? GenerationID()
   |43 |         self.url = try content.value(forProperty: "url")
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:35:27: warning: protocol 'Identifiable' requires 'GenerationID' to be available in macOS 10.15 and newer; this will be an error in a future Swift language mode
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- warning: protocol 'Identifiable' requires 'GenerationID' to be available in macOS 10.15 and newer; this will be an error in a future Swift language mode
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   +--------------------------------------------------------------------
63 | }
64 |
FoundationModels.GenerationID:4:15: note: 'GenerationID' declared here
2 | @available(tvOS, unavailable)
3 | @available(watchOS, unavailable)
4 | public struct GenerationID : Sendable, Hashable {
  |               `- note: 'GenerationID' declared here
5 |     public init()
6 |     public static func == (a: GenerationID, b: GenerationID) -> Bool
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:41:6: error: 'Generable(description:)' is only available in macOS 26.0 or newer
39 |     }
40 |
41 |     @Generable
   |      `- error: 'Generable(description:)' is only available in macOS 26.0 or newer
42 |     public struct Arguments: Sendable {
   |                   |- note: add '@available' attribute to enclosing struct
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
macro expansion @Generable:2:57: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.Arguments: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        |                                `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.url = try content.value(forProperty: "url")
   |4 |         self.method = try content.value(forProperty: "method")
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
macro expansion @Generable:2:57: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.HeaderItem: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        |                                `- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.name = try content.value(forProperty: "name")
   |4 |         self.value = try content.value(forProperty: "value")
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
macro expansion @Generable:2:22: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   |   |                      |- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                      `- note: add 'if #available' version check
   | 3 |         type: Self.self,
   | 4 |         properties: [
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:5:30: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   | 4 |         properties: [
   | 5 |             FoundationModels.GenerationSchema.Property(name: "name", description: "Header name.", type: String.self),
   |   |                              |- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                              `- note: add 'if #available' version check
   | 6 |             FoundationModels.GenerationSchema.Property(name: "value", description: "Header value.", type: String.self)
   | 7 |         ]
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:5:47: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   | 4 |         properties: [
   | 5 |             FoundationModels.GenerationSchema.Property(name: "name", description: "Header name.", type: String.self),
   |   |                                               |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |                                               `- note: add 'if #available' version check
   | 6 |             FoundationModels.GenerationSchema.Property(name: "value", description: "Header value.", type: String.self)
   | 7 |         ]
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:6:30: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   | 4 |         properties: [
   | 5 |             FoundationModels.GenerationSchema.Property(name: "name", description: "Header name.", type: String.self),
   | 6 |             FoundationModels.GenerationSchema.Property(name: "value", description: "Header value.", type: String.self)
   |   |                              |- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                              `- note: add 'if #available' version check
   | 7 |         ]
   | 8 |     )
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:6:47: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   | 4 |         properties: [
   | 5 |             FoundationModels.GenerationSchema.Property(name: "name", description: "Header name.", type: String.self),
   | 6 |             FoundationModels.GenerationSchema.Property(name: "value", description: "Header value.", type: String.self)
   |   |                                               |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |                                               `- note: add 'if #available' version check
   | 7 |         ]
   | 8 |     )
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:12:49: error: 'ConvertibleToGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |   |                                                 |- error: 'ConvertibleToGeneratedContent' is only available in macOS 26.0 or newer
   |   |                                                 `- note: add 'if #available' version check
   |13 |     addProperty(name: "name", value: self.name)
   |14 |     addProperty(name: "value", value: self.value)
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:13:5: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |13 |     addProperty(name: "name", value: self.name)
   |   |     |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |     `- note: add 'if #available' version check
   |14 |     addProperty(name: "value", value: self.value)
   |15 |     return GeneratedContent(
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:14:5: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |13 |     addProperty(name: "name", value: self.name)
   |14 |     addProperty(name: "value", value: self.value)
   |   |     |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |     `- note: add 'if #available' version check
   |15 |     return GeneratedContent(
   |16 |         properties: properties,
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:15:12: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |13 |     addProperty(name: "name", value: self.name)
   |14 |     addProperty(name: "value", value: self.value)
   |15 |     return GeneratedContent(
   |   |            |- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |            `- note: add 'if #available' version check
   |16 |         properties: properties,
   |17 |         uniquingKeysWith: { _, second in
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:21:48: error: 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |13 |     addProperty(name: "name", value: self.name)
   |   :
   |19 |         }
   |20 |     )
   |21 |     func addProperty(name: String, value: some Generable) {
   |   |                                                `- error: 'Generable' is only available in macOS 26.0 or newer
   |22 |         properties.append((name, value))
   |23 |     }
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:21:48: error: 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |13 |     addProperty(name: "name", value: self.name)
   |   :
   |19 |         }
   |20 |     )
   |21 |     func addProperty(name: String, value: some Generable) {
   |   |                                                `- error: 'Generable' is only available in macOS 26.0 or newer
   |22 |         properties.append((name, value))
   |23 |     }
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:24:49: error: 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |13 |     addProperty(name: "name", value: self.name)
   |   :
   |22 |         properties.append((name, value))
   |23 |     }
   |24 |     func addProperty(name: String, value: (some Generable)?) {
   |   |                                                 `- error: 'Generable' is only available in macOS 26.0 or newer
   |25 |         if let value {
   |26 |             properties.append((name, value))
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:24:49: error: 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
28 |
29 |         @Guide(description: "Header name.")
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   | 9 | }
   |10 |
   |11 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |12 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |13 |     addProperty(name: "name", value: self.name)
   |   :
   |22 |         properties.append((name, value))
   |23 |     }
   |24 |     func addProperty(name: String, value: (some Generable)?) {
   |   |                                                 `- error: 'Generable' is only available in macOS 26.0 or newer
   |25 |         if let value {
   |26 |             properties.append((name, value))
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:36:33: error: 'GenerationID' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   |34 |     public var value: String.PartiallyGenerated?
   |35 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |36 |         self.id = content.id ?? GenerationID()
   |   |                                 |- error: 'GenerationID' is only available in macOS 26.0 or newer
   |   |                                 `- note: add 'if #available' version check
   |37 |         self.name = try content.value(forProperty: "name")
   |38 |         self.value = try content.value(forProperty: "value")
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:37:33: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   |34 |     public var value: String.PartiallyGenerated?
   |35 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |36 |         self.id = content.id ?? GenerationID()
   |37 |         self.name = try content.value(forProperty: "name")
   |   |                                 |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |   |                                 `- note: add 'if #available' version check
   |38 |         self.value = try content.value(forProperty: "value")
   |39 |     }
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:38:34: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:39:5: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
37 |             self.value = value
38 |         }
39 |     }
   +--- macro expansion @Generable -------------------------------------
   |29 | }
   |30 |
   |31 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |32 |     public var id: GenerationID
   |33 |     public var name: String.PartiallyGenerated?
   |34 |     public var value: String.PartiallyGenerated?
   |35 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |36 |         self.id = content.id ?? GenerationID()
   |37 |         self.name = try content.value(forProperty: "name")
   |38 |         self.value = try content.value(forProperty: "value")
   |   |                                  |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |   |                                  `- note: add 'if #available' version check
   |39 |     }
   |40 | }
   +--------------------------------------------------------------------
40 |
41 |     @Generable
macro expansion @Generable:2:22: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   |   |                      |- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                      `- note: add 'if #available' version check
   | 3 |         type: Self.self,
   | 4 |         properties: [
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:5:30: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   | 4 |         properties: [
   | 5 |             FoundationModels.GenerationSchema.Property(name: "url", description: "The URL to fetch.", type: String.self),
   |   |                              |- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                              `- note: add 'if #available' version check
   | 6 |             FoundationModels.GenerationSchema.Property(name: "method", description: "HTTP method, for example GET or POST.", type: String?.self),
   | 7 |             FoundationModels.GenerationSchema.Property(name: "mode", description: "Optional mode: auto, text, html, or json.", type: String?.self),
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:5:47: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   | 4 |         properties: [
   | 5 |             FoundationModels.GenerationSchema.Property(name: "url", description: "The URL to fetch.", type: String.self),
   |   |                                               |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |                                               `- note: add 'if #available' version check
   | 6 |             FoundationModels.GenerationSchema.Property(name: "method", description: "HTTP method, for example GET or POST.", type: String?.self),
   | 7 |             FoundationModels.GenerationSchema.Property(name: "mode", description: "Optional mode: auto, text, html, or json.", type: String?.self),
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:6:30: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   | 4 |         properties: [
   | 5 |             FoundationModels.GenerationSchema.Property(name: "url", description: "The URL to fetch.", type: String.self),
   | 6 |             FoundationModels.GenerationSchema.Property(name: "method", description: "HTTP method, for example GET or POST.", type: String?.self),
   |   |                              |- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                              `- note: add 'if #available' version check
   | 7 |             FoundationModels.GenerationSchema.Property(name: "mode", description: "Optional mode: auto, text, html, or json.", type: String?.self),
   | 8 |             FoundationModels.GenerationSchema.Property(name: "headers", description: "Optional headers as name-value pairs.", type: [HeaderItem]?.self)
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:6:47: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   | 4 |         properties: [
   | 5 |             FoundationModels.GenerationSchema.Property(name: "url", description: "The URL to fetch.", type: String.self),
   | 6 |             FoundationModels.GenerationSchema.Property(name: "method", description: "HTTP method, for example GET or POST.", type: String?.self),
   |   |                                               |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |                                               `- note: add 'if #available' version check
   | 7 |             FoundationModels.GenerationSchema.Property(name: "mode", description: "Optional mode: auto, text, html, or json.", type: String?.self),
   | 8 |             FoundationModels.GenerationSchema.Property(name: "headers", description: "Optional headers as name-value pairs.", type: [HeaderItem]?.self)
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:7:30: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   |   :
   | 5 |             FoundationModels.GenerationSchema.Property(name: "url", description: "The URL to fetch.", type: String.self),
   | 6 |             FoundationModels.GenerationSchema.Property(name: "method", description: "HTTP method, for example GET or POST.", type: String?.self),
   | 7 |             FoundationModels.GenerationSchema.Property(name: "mode", description: "Optional mode: auto, text, html, or json.", type: String?.self),
   |   |                              |- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                              `- note: add 'if #available' version check
   | 8 |             FoundationModels.GenerationSchema.Property(name: "headers", description: "Optional headers as name-value pairs.", type: [HeaderItem]?.self)
   | 9 |         ]
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:7:47: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   |   :
   | 5 |             FoundationModels.GenerationSchema.Property(name: "url", description: "The URL to fetch.", type: String.self),
   | 6 |             FoundationModels.GenerationSchema.Property(name: "method", description: "HTTP method, for example GET or POST.", type: String?.self),
   | 7 |             FoundationModels.GenerationSchema.Property(name: "mode", description: "Optional mode: auto, text, html, or json.", type: String?.self),
   |   |                                               |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |                                               `- note: add 'if #available' version check
   | 8 |             FoundationModels.GenerationSchema.Property(name: "headers", description: "Optional headers as name-value pairs.", type: [HeaderItem]?.self)
   | 9 |         ]
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:8:30: error: 'GenerationSchema' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   |   :
   | 6 |             FoundationModels.GenerationSchema.Property(name: "method", description: "HTTP method, for example GET or POST.", type: String?.self),
   | 7 |             FoundationModels.GenerationSchema.Property(name: "mode", description: "Optional mode: auto, text, html, or json.", type: String?.self),
   | 8 |             FoundationModels.GenerationSchema.Property(name: "headers", description: "Optional headers as name-value pairs.", type: [HeaderItem]?.self)
   |   |                              |- error: 'GenerationSchema' is only available in macOS 26.0 or newer
   |   |                              `- note: add 'if #available' version check
   | 9 |         ]
   |10 |     )
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:8:47: error: conformance of 'Array<Element>' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   | 1 | nonisolated public static var generationSchema: FoundationModels.GenerationSchema {
   |   |                               `- note: add '@available' attribute to enclosing static property
   | 2 |     FoundationModels.GenerationSchema(
   | 3 |         type: Self.self,
   |   :
   | 6 |             FoundationModels.GenerationSchema.Property(name: "method", description: "HTTP method, for example GET or POST.", type: String?.self),
   | 7 |             FoundationModels.GenerationSchema.Property(name: "mode", description: "Optional mode: auto, text, html, or json.", type: String?.self),
   | 8 |             FoundationModels.GenerationSchema.Property(name: "headers", description: "Optional headers as name-value pairs.", type: [HeaderItem]?.self)
   |   |                                               |- error: conformance of 'Array<Element>' to 'Generable' is only available in macOS 26.0 or newer
   |   |                                               `- note: add 'if #available' version check
   | 9 |         ]
   |10 |     )
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:14:49: error: 'ConvertibleToGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |   |                                                 |- error: 'ConvertibleToGeneratedContent' is only available in macOS 26.0 or newer
   |   |                                                 `- note: add 'if #available' version check
   |15 |     addProperty(name: "url", value: self.url)
   |16 |     addProperty(name: "method", value: self.method)
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:15:5: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   |   |     |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |     `- note: add 'if #available' version check
   |16 |     addProperty(name: "method", value: self.method)
   |17 |     addProperty(name: "mode", value: self.mode)
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:16:5: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   |16 |     addProperty(name: "method", value: self.method)
   |   |     |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |     `- note: add 'if #available' version check
   |17 |     addProperty(name: "mode", value: self.mode)
   |18 |     addProperty(name: "headers", value: self.headers)
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:17:5: error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   |16 |     addProperty(name: "method", value: self.method)
   |17 |     addProperty(name: "mode", value: self.mode)
   |   |     |- error: conformance of 'String' to 'Generable' is only available in macOS 26.0 or newer
   |   |     `- note: add 'if #available' version check
   |18 |     addProperty(name: "headers", value: self.headers)
   |19 |     return GeneratedContent(
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:18:5: error: conformance of 'Array<Element>' to 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   |16 |     addProperty(name: "method", value: self.method)
   |17 |     addProperty(name: "mode", value: self.mode)
   |18 |     addProperty(name: "headers", value: self.headers)
   |   |     |- error: conformance of 'Array<Element>' to 'Generable' is only available in macOS 26.0 or newer
   |   |     `- note: add 'if #available' version check
   |19 |     return GeneratedContent(
   |20 |         properties: properties,
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:19:12: error: 'GeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   |   :
   |17 |     addProperty(name: "mode", value: self.mode)
   |18 |     addProperty(name: "headers", value: self.headers)
   |19 |     return GeneratedContent(
   |   |            |- error: 'GeneratedContent' is only available in macOS 26.0 or newer
   |   |            `- note: add 'if #available' version check
   |20 |         properties: properties,
   |21 |         uniquingKeysWith: { _, second in
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:25:48: error: 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   |   :
   |23 |         }
   |24 |     )
   |25 |     func addProperty(name: String, value: some Generable) {
   |   |                                                `- error: 'Generable' is only available in macOS 26.0 or newer
   |26 |         properties.append((name, value))
   |27 |     }
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:25:48: error: 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   |   :
   |23 |         }
   |24 |     )
   |25 |     func addProperty(name: String, value: some Generable) {
   |   |                                                `- error: 'Generable' is only available in macOS 26.0 or newer
   |26 |         properties.append((name, value))
   |27 |     }
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:28:49: error: 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   |   :
   |26 |         properties.append((name, value))
   |27 |     }
   |28 |     func addProperty(name: String, value: (some Generable)?) {
   |   |                                                 `- error: 'Generable' is only available in macOS 26.0 or newer
   |29 |         if let value {
   |30 |             properties.append((name, value))
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:28:49: error: 'Generable' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
   |                   `- note: add '@available' attribute to enclosing struct
43 |
44 |         @Guide(description: "The URL to fetch.")
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |11 | }
   |12 |
   |13 | nonisolated public var generatedContent: GeneratedContent {
   |   |                        `- note: add '@available' attribute to enclosing property
   |14 |     var properties = [(name: String, value: any ConvertibleToGeneratedContent)]()
   |15 |     addProperty(name: "url", value: self.url)
   |   :
   |26 |         properties.append((name, value))
   |27 |     }
   |28 |     func addProperty(name: String, value: (some Generable)?) {
   |   |                                                 `- error: 'Generable' is only available in macOS 26.0 or newer
   |29 |         if let value {
   |30 |             properties.append((name, value))
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:42:33: error: 'GenerationID' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |   :
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |42 |         self.id = content.id ?? GenerationID()
   |   |                                 |- error: 'GenerationID' is only available in macOS 26.0 or newer
   |   |                                 `- note: add 'if #available' version check
   |43 |         self.url = try content.value(forProperty: "url")
   |44 |         self.method = try content.value(forProperty: "method")
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:43:32: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |   :
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |42 |         self.id = content.id ?? GenerationID()
   |43 |         self.url = try content.value(forProperty: "url")
   |   |                                |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |   |                                `- note: add 'if #available' version check
   |44 |         self.method = try content.value(forProperty: "method")
   |45 |         self.mode = try content.value(forProperty: "mode")
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:44:35: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |   :
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |42 |         self.id = content.id ?? GenerationID()
   |43 |         self.url = try content.value(forProperty: "url")
   |44 |         self.method = try content.value(forProperty: "method")
   |   |                                   |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |   |                                   `- note: add 'if #available' version check
   |45 |         self.mode = try content.value(forProperty: "mode")
   |46 |         self.headers = try content.value(forProperty: "headers")
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:45:33: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |   :
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |42 |         self.id = content.id ?? GenerationID()
   |43 |         self.url = try content.value(forProperty: "url")
   |44 |         self.method = try content.value(forProperty: "method")
   |45 |         self.mode = try content.value(forProperty: "mode")
   |   |                                 |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |   |                                 `- note: add 'if #available' version check
   |46 |         self.headers = try content.value(forProperty: "headers")
   |47 |     }
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:46:36: error: conformance of 'Array<Element>' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:62:5: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
60 |             self.headers = headers
61 |         }
62 |     }
   +--- macro expansion @Generable -------------------------------------
   |33 | }
   |34 |
   |35 | nonisolated public struct PartiallyGenerated: Identifiable, nonisolated FoundationModels.ConvertibleFromGeneratedContent {
   |   |                           `- note: add '@available' attribute to enclosing struct
   |36 |     public var id: GenerationID
   |37 |     public var url: String.PartiallyGenerated?
   |   :
   |39 |     public var mode: String?.PartiallyGenerated?
   |40 |     public var headers: [HeaderItem]?.PartiallyGenerated?
   |41 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |   |                        `- note: add '@available' attribute to enclosing initializer
   |42 |         self.id = content.id ?? GenerationID()
   |43 |         self.url = try content.value(forProperty: "url")
   |44 |         self.method = try content.value(forProperty: "method")
   |45 |         self.mode = try content.value(forProperty: "mode")
   |46 |         self.headers = try content.value(forProperty: "headers")
   |   |                                    |- error: conformance of 'Array<Element>' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |   |                                    `- note: add 'if #available' version check
   |47 |     }
   |48 | }
   +--------------------------------------------------------------------
63 | }
64 |
macro expansion @Generable:3:32: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.Arguments: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.url = try content.value(forProperty: "url")
   |  |                                |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |  |                                `- note: add 'if #available' version check
   |4 |         self.method = try content.value(forProperty: "method")
   |5 |         self.mode = try content.value(forProperty: "mode")
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
macro expansion @Generable:4:35: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.Arguments: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.url = try content.value(forProperty: "url")
   |4 |         self.method = try content.value(forProperty: "method")
   |  |                                   |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |  |                                   `- note: add 'if #available' version check
   |5 |         self.mode = try content.value(forProperty: "mode")
   |6 |         self.headers = try content.value(forProperty: "headers")
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
macro expansion @Generable:5:33: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.Arguments: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.url = try content.value(forProperty: "url")
   |4 |         self.method = try content.value(forProperty: "method")
   |5 |         self.mode = try content.value(forProperty: "mode")
   |  |                                 |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |  |                                 `- note: add 'if #available' version check
   |6 |         self.headers = try content.value(forProperty: "headers")
   |7 |     }
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
macro expansion @Generable:6:36: error: conformance of 'Array<Element>' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
39 |     }
40 |
41 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     |- note: in expansion of macro 'Generable' on struct 'Arguments' here
   |     `- note: in expansion of macro 'Generable' on struct 'Arguments' here
42 |     public struct Arguments: Sendable {
43 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.Arguments: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.url = try content.value(forProperty: "url")
   |4 |         self.method = try content.value(forProperty: "method")
   |5 |         self.mode = try content.value(forProperty: "mode")
   |6 |         self.headers = try content.value(forProperty: "headers")
   |  |                                    |- error: conformance of 'Array<Element>' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |  |                                    `- note: add 'if #available' version check
   |7 |     }
   |8 | }
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
macro expansion @Generable:3:33: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.HeaderItem: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.name = try content.value(forProperty: "name")
   |  |                                 |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |  |                                 `- note: add 'if #available' version check
   |4 |         self.value = try content.value(forProperty: "value")
   |5 |     }
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
macro expansion @Generable:4:34: error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
`- /Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/WWHttpFetchTool.swift:63:2: note: expanded code originates here
24 | extension WWHttpFetchTool {
25 |
26 |     @Generable
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     |- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
   |     `- note: in expansion of macro 'Generable' on struct 'HeaderItem' here
27 |     public struct HeaderItem: Sendable {
28 |
   :
61 |         }
62 |     }
63 | }
   +--- macro expansion @Generable -------------------------------------
   |1 | extension WWHttpFetchTool.HeaderItem: nonisolated FoundationModels.Generable {
   |  | `- note: add '@available' attribute to enclosing extension
   |2 |     nonisolated public init(_ content: FoundationModels.GeneratedContent) throws {
   |  |                        `- note: add '@available' attribute to enclosing initializer
   |3 |         self.name = try content.value(forProperty: "name")
   |4 |         self.value = try content.value(forProperty: "value")
   |  |                                  |- error: conformance of 'String' to 'ConvertibleFromGeneratedContent' is only available in macOS 26.0 or newer
   |  |                                  `- note: add 'if #available' version check
   |5 |     }
   |6 | }
   +--------------------------------------------------------------------
64 |
65 | public extension WWHttpFetchTool {
[8/8] Compiling WWHttpFetchTool Service.swift
/Users/admin/builder/spi-builder-workspace/Sources/WWHttpFetchTool/Utility/Service.swift:51:64: error: 'data(for:delegate:)' is only available in macOS 12.0 or newer
10 | extension WWHttpFetchTool {
11 |
12 |     final class Service: Sendable {
   |                 `- note: add '@available' attribute to enclosing class
13 |
14 |         init() {}
   :
29 |         ///   - `CustomError.requestFailed`: 請求失敗,或 HTTP 狀態碼不在 `200...299` 範圍內。
30 |         ///   - `CustomError.decodingFailed`: 回傳資料無法以 UTF-8 解碼為字串。
31 |         func fetch(urlString: String, method: String, mode: String, headers: [String: String]) async throws -> String {
   |              `- note: add '@available' attribute to enclosing instance method
32 |
33 |             guard let url = URL(string: urlString) else { throw CustomError.invalidURL }
   :
49 |             }
50 |
51 |             let (data, response) = try await URLSession.shared.data(for: request)
   |                                                                |- error: 'data(for:delegate:)' is only available in macOS 12.0 or newer
   |                                                                `- note: add 'if #available' version check
52 |
53 |             guard let httpResponse = response as? HTTPURLResponse,
BUILD FAILURE 6.2 macosSpm