CoreMLLLM – Build Information – Swift Package Index

Build Information

Successful build of CoreMLLLM, reference v1.9.0 (c69a4e), with Swift 6.4 for macOS (SPM) on 16 Sep 2026 01:19:49 UTC.

Swift 6 data race errors: 0

Build Command

env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64

Build Log

========================================
RunAll
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Builder version: 5.1.0
Interrupt handler set up.
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Checkout
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Clone URL: https://github.com/john-rocky/CoreML-LLM.git
Reference: v1.9.0
Initialized empty Git repository in /Users/admin/builder/spi-builder-workspace/.git/
From https://github.com/john-rocky/CoreML-LLM
 * tag               v1.9.0     -> FETCH_HEAD
HEAD is now at c69a4e9 feat(gemma4-e4b): multimodal CoreML bundle (text+image+video+audio on iPhone) (#165)
Cloned https://github.com/john-rocky/CoreML-LLM.git
Revision (git rev-parse @):
c69a4e9bb8f9574f7b332babd93bb745c1022c11
SUCCESS checkout https://github.com/john-rocky/CoreML-LLM.git at v1.9.0
========================================
Build
========================================
Selected platform:         macosSpm
Swift version:             6.4
Building package at path:  $PWD
https://github.com/john-rocky/CoreML-LLM.git
Running build ...
env DEVELOPER_DIR=/Applications/Xcode-27.0.0-Release.Candidate.app xcrun swift build --arch arm64
Building for debugging...
[Computing dependencies]
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[543 / 580] coreml-llm-smoke-product
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/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/SuffixSpeculativeEngine.swift:164:13: [1;33mwarning: [1;39mresult of 'try?' is unused[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m162 |[0;0m         if let url = persistURL, commitsSinceSave >= saveEvery {
[0;36m163 |[0;0m             commitsSinceSave = 0
[0;36m164 |[0;0m             [4;39mtry? tree.save(to: url)[0;0m
    [0;36m|[0;0m             `- [1;33mwarning: [1;39mresult of 'try?' is unused[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m165 |[0;0m         }
[0;36m166 |[0;0m     }
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/Gemma3BundleDownloader.swift:335:17: [1;33mwarning: [1;39mstored property 'continuation' of 'Sendable'-conforming class 'Delegate' is mutable[0;0m
[0;36m333 |[0;0m             let state: ProgressState
[0;36m334 |[0;0m             let onUpdate: (Progress) -> Void
[0;36m335 |[0;0m             var continuation: CheckedContinuation<(URL, URLResponse), Swift.Error>?
    [0;36m|[0;0m                 `- [1;33mwarning: [1;39mstored property 'continuation' of 'Sendable'-conforming class 'Delegate' is mutable[0;0m
[0;36m336 |[0;0m             private var lastUpdate = Date.distantPast
[0;36m337 |[0;0m             private var movedURL: URL?
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/Gemma3BundleDownloader.swift:335:17: [1;33mwarning: [1;39mstored property 'continuation' of 'Sendable'-conforming class 'Delegate' is mutable[0;0m
[0;36m333 |[0;0m             let state: ProgressState
[0;36m334 |[0;0m             let onUpdate: (Progress) -> Void
[0;36m335 |[0;0m             var continuation: CheckedContinuation<(URL, URLResponse), Swift.Error>?
    [0;36m|[0;0m                 `- [1;33mwarning: [1;39mstored property 'continuation' of 'Sendable'-conforming class 'Delegate' is mutable[0;0m
[0;36m336 |[0;0m             private var lastUpdate = Date.distantPast
[0;36m337 |[0;0m             private var movedURL: URL?
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/Gemma4StatefulEngine.swift:827:13: [1;33mwarning: [1;39mvariable 'shared' was never mutated; consider changing to 'let' constant[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated\VariableNeverMutated]8;;\]
 [0;36m825 |[0;0m
 [0;36m826 |[0;0m         // 5) Chunks 3 + 4
 [0;36m827 |[0;0m         var shared: [String: MLFeatureValue] = [
     [0;36m|[0;0m             `- [1;33mwarning: [1;39mvariable 'shared' was never mutated; consider changing to 'let' constant[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated\VariableNeverMutated]8;;\]
 [0;36m828 |[0;0m             "causal_mask_full":   fvMF,
 [0;36m829 |[0;0m             "causal_mask_sliding": fvMS,
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/Gemma4StatefulMultimodalEngine.swift:832:13: [1;33mwarning: [1;39mvariable 'sharedInputs' was never mutated; consider changing to 'let' constant[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated\VariableNeverMutated]8;;\]
 [0;36m830 |[0;0m         else { throw CoreMLLLMError.modelNotFound("decode chunk_2 missing outputs") }
 [0;36m831 |[0;0m
 [0;36m832 |[0;0m         var sharedInputs: [String: MLFeatureValue] = [
     [0;36m|[0;0m             `- [1;33mwarning: [1;39mvariable 'sharedInputs' was never mutated; consider changing to 'let' constant[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated\VariableNeverMutated]8;;\]
 [0;36m833 |[0;0m             "causal_mask_full":   fvMaskFull,
 [0;36m834 |[0;0m             "causal_mask_sliding": fvMaskSliding,
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/Gemma4StatefulMultimodalEngine.swift:1003:13: [1;33mwarning: [1;39mvariable 'sharedInputs' was never mutated; consider changing to 'let' constant[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated\VariableNeverMutated]8;;\]
[0;36m1001 |[0;0m         else { throw CoreMLLLMError.modelNotFound("prefill T=288 chunk_2 missing outputs") }
[0;36m1002 |[0;0m
[0;36m1003 |[0;0m         var sharedInputs: [String: MLFeatureValue] = [
     [0;36m|[0;0m             `- [1;33mwarning: [1;39mvariable 'sharedInputs' was never mutated; consider changing to 'let' constant[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated\VariableNeverMutated]8;;\]
[0;36m1004 |[0;0m             "causal_mask_full":   fvMF,
[0;36m1005 |[0;0m             "causal_mask_sliding": fvMS,
[#VariableNeverMutated]: <https://docs.swift.org/compiler/documentation/diagnostics/variable-never-mutated>
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/CoreMLLLM.swift:627:33: [1;33mwarning: [1;39mcapture of 'm' with non-Sendable type 'MLModel' in a '@Sendable' closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m625 |[0;0m                             "pixel_position_ids": MLFeatureValue(multiArray: pid),
 [0;36m626 |[0;0m                         ])
 [0;36m627 |[0;0m                         _ = try m.prediction(from: input)
     [0;36m|[0;0m                                 `- [1;33mwarning: [1;39mcapture of 'm' with non-Sendable type 'MLModel' in a '@Sendable' closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m628 |[0;0m                         let dw = CFAbsoluteTimeGetCurrent() - tw
 [0;36m629 |[0;0m                         print("[Load] vision GPU prewarm predict in \(String(format: "%.1f", dw))s")
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/System/Library/Frameworks/CoreML.framework/Headers/MLModel.h:28:12: [1;39mnote: [1;39mclass 'MLModel' does not conform to the 'Sendable' protocol[0;0m
 [0;36m26 |[0;0m API_AVAILABLE(macos(10.13), ios(11.0), watchos(4.0), tvos(11.0))
 [0;36m27 |[0;0m ML_EXPORT
 [0;36m28 |[0;0m @interface MLModel : NSObject
    [0;36m|[0;0m            `- [1;39mnote: [1;39mclass 'MLModel' does not conform to the 'Sendable' protocol[0;0m
 [0;36m29 |[0;0m
 [0;36m30 |[0;0m /// A model holds a description of its required inputs and expected outputs.
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/CoreMLLLM.swift:1:1: [1;33mwarning: [1;39madd '@preconcurrency' to suppress 'Sendable'-related warnings from module 'CoreML'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/add-preconcurrency-import\AddPreconcurrencyImport]8;;\]
   [0;36m1 |[0;0m import CoreML
     [0;36m|[0;0m `- [1;33mwarning: [1;39madd '@preconcurrency' to suppress 'Sendable'-related warnings from module 'CoreML'[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/add-preconcurrency-import\AddPreconcurrencyImport]8;;\]
   [0;36m2 |[0;0m import Foundation
   [0;36m3 |[0;0m import Tokenizers
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/CoreMLLLM.swift:680:33: [1;33mwarning: [1;39mcapture of 'm' with non-Sendable type 'MLModel' in a '@Sendable' closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m678 |[0;0m                             "pixel_position_ids": MLFeatureValue(multiArray: pid),
 [0;36m679 |[0;0m                         ])
 [0;36m680 |[0;0m                         _ = try m.prediction(from: input)
     [0;36m|[0;0m                                 `- [1;33mwarning: [1;39mcapture of 'm' with non-Sendable type 'MLModel' in a '@Sendable' closure[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures\SendableClosureCaptures]8;;\]
 [0;36m681 |[0;0m                         let dw = CFAbsoluteTimeGetCurrent() - tw
 [0;36m682 |[0;0m                         print("[Load] vision ANE prewarm predict in \(String(format: "%.1f", dw))s")
/Applications/Xcode-27.0.0-Release.Candidate.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX27.0.sdk/System/Library/Frameworks/CoreML.framework/Headers/MLModel.h:28:12: [1;39mnote: [1;39mclass 'MLModel' does not conform to the 'Sendable' protocol[0;0m
 [0;36m26 |[0;0m API_AVAILABLE(macos(10.13), ios(11.0), watchos(4.0), tvos(11.0))
 [0;36m27 |[0;0m ML_EXPORT
 [0;36m28 |[0;0m @interface MLModel : NSObject
    [0;36m|[0;0m            `- [1;39mnote: [1;39mclass 'MLModel' does not conform to the 'Sendable' protocol[0;0m
 [0;36m29 |[0;0m
 [0;36m30 |[0;0m /// A model holds a description of its required inputs and expected outputs.
[#AddPreconcurrencyImport]: <https://docs.swift.org/compiler/documentation/diagnostics/add-preconcurrency-import>
[#SendableClosureCaptures]: <https://docs.swift.org/compiler/documentation/diagnostics/sendable-closure-captures>
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/AudioProcessor.swift:174:9: [1;33mwarning: [1;39m'cblas_sgemm' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m172 |[0;0m         // output_proj: (S, 1024) @ W^T(1024, 1536) → (S, 1536)
[0;36m173 |[0;0m         var projected = [Float](repeating: 0, count: S * outDim)
[0;36m174 |[0;0m         cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasTrans,
    [0;36m|[0;0m         `- [1;33mwarning: [1;39m'cblas_sgemm' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m175 |[0;0m                     Int32(S), Int32(outDim), Int32(inDim),
[0;36m176 |[0;0m                     1.0, inputF32, Int32(inDim),
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/AudioProcessor.swift:200:9: [1;33mwarning: [1;39m'cblas_sgemm' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m198 |[0;0m         let finalDim = proj.finalDim
[0;36m199 |[0;0m         var features = [Float](repeating: 0, count: S * finalDim)
[0;36m200 |[0;0m         cblas_sgemm(CblasRowMajor, CblasNoTrans, CblasTrans,
    [0;36m|[0;0m         `- [1;33mwarning: [1;39m'cblas_sgemm' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m201 |[0;0m                     Int32(S), Int32(finalDim), Int32(outDim),
[0;36m202 |[0;0m                     1.0, projected, Int32(outDim),
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/AudioProcessor.swift:300:13: [1;33mwarning: [1;39m'cblas_sgemv' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m298 |[0;0m
[0;36m299 |[0;0m             let melOffset = f * numMelBins
[0;36m300 |[0;0m             cblas_sgemv(CblasRowMajor, CblasTrans,
    [0;36m|[0;0m             `- [1;33mwarning: [1;39m'cblas_sgemv' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m301 |[0;0m                         Int32(numFFTBins), Int32(numMelBins),
[0;36m302 |[0;0m                         1.0, melFilterbank, Int32(numMelBins),
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/ChunkedEngine.swift:868:22: [1;33mwarning: [1;39mconcurrently-executed local function 'bgLoad' must be marked as '@Sendable'; this is an error in the Swift 6 language mode[0;0m
 [0;36m866 |[0;0m                     return nil
 [0;36m867 |[0;0m                 }
 [0;36m868 |[0;0m                 func bgLoad(_ name: String) throws -> MLModel {
     [0;36m|[0;0m                      `- [1;33mwarning: [1;39mconcurrently-executed local function 'bgLoad' must be marked as '@Sendable'; this is an error in the Swift 6 language mode[0;0m
 [0;36m869 |[0;0m                     guard let url = bgFind(name) else {
 [0;36m870 |[0;0m                         throw CoreMLLLMError.modelNotFound(name)
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/ChunkedEngine.swift:785:24: [1;33mwarning: [1;39mno calls to throwing functions occur within 'try' expression[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unnecessary-effect-marker\UnnecessaryEffectMarker]8;;\]
 [0;36m783 |[0;0m                 let shape: [NSNumber] = [NSNumber(value: slots), NSNumber(value: nkv),
 [0;36m784 |[0;0m                                           NSNumber(value: seqLen), NSNumber(value: maxHd)]
 [0;36m785 |[0;0m                 return try MLMultiArray(pixelBuffer: pb, shape: shape)
     [0;36m|[0;0m                        `- [1;33mwarning: [1;39mno calls to throwing functions occur within 'try' expression[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/unnecessary-effect-marker\UnnecessaryEffectMarker]8;;\]
 [0;36m786 |[0;0m             }
 [0;36m787 |[0;0m             // Fallback to standard allocation
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/ChunkedEngine.swift:1018:22: [1;33mwarning: [1;39mresult of call to 'withUnsafeBytes' is unused[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m1016 |[0;0m                         "snapshot buffer \(i) size mismatch (got \(blobs[i].count), need \(expected))"])
[0;36m1017 |[0;0m             }
[0;36m1018 |[0;0m             blobs[i].withUnsafeBytes [4;39m{ src in[0;0m
     [0;36m|[0;0m                      `- [1;33mwarning: [1;39mresult of call to 'withUnsafeBytes' is unused[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m1019 |[0;0m                 memcpy(buf.dataPointer, src.baseAddress!, expected)
[0;36m1020 |[0;0m             }
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/ChunkedEngine.swift:1668:13: [1;33mwarning: [1;39minitialization of immutable value 'hidden' was never used; consider replacing with assignment to '_' or removing it[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m1666 |[0;0m         let ctx = config.contextLength
[0;36m1667 |[0;0m         let W = config.slidingWindow
[0;36m1668 |[0;0m         let hidden = config.hiddenSize
     [0;36m|[0;0m             `- [1;33mwarning: [1;39minitialization of immutable value 'hidden' was never used; consider replacing with assignment to '_' or removing it[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/no-usage\NoUsage]8;;\]
[0;36m1669 |[0;0m
[0;36m1670 |[0;0m         // Build batched embeddings for K tokens: (1, K, hidden)
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/ChunkedEngine.swift:2074:9: [1;33mwarning: [1;39m'cblas_sgemv' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m2072 |[0;0m
[0;36m2073 |[0;0m         var proj = [Float](repeating: 0, count: totalDim)
[0;36m2074 |[0;0m         cblas_sgemv(CblasRowMajor, CblasNoTrans,
     [0;36m|[0;0m         `- [1;33mwarning: [1;39m'cblas_sgemv' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
[0;36m2075 |[0;0m                     Int32(totalDim), Int32(hidden),
[0;36m2076 |[0;0m                     config.perLayerProjScale, perLayerProjF32, Int32(hidden),
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
[#NoUsage]: <https://docs.swift.org/compiler/documentation/diagnostics/no-usage>
[#UnnecessaryEffectMarker]: <https://docs.swift.org/compiler/documentation/diagnostics/unnecessary-effect-marker>
/Users/admin/builder/spi-builder-workspace/Sources/CoreMLLLM/Qwen35MLKVGenerator.swift:519:21: [1;33mwarning: [1;39m'cblas_sgemv' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
 [0;36m517 |[0;0m             scaled.withUnsafeBufferPointer { xPtr in
 [0;36m518 |[0;0m                 logitsBuf.withUnsafeMutableBufferPointer { yPtr in
 [0;36m519 |[0;0m                     cblas_sgemv(CblasRowMajor, CblasNoTrans,
     [0;36m|[0;0m                     `- [1;33mwarning: [1;39m'cblas_sgemv' was deprecated in macOS 13.3: An updated CBLAS interface supporting ILP64 is available.  Please compile with -DACCELERATE_NEW_LAPACK to access the new headers and -DACCELERATE_LAPACK_ILP64 for ILP64 support.[0;0m [#]8;;https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration\DeprecatedDeclaration]8;;\]
 [0;36m520 |[0;0m                                 Int32(V), Int32(H),
 [0;36m521 |[0;0m                                 1.0,
[#DeprecatedDeclaration]: <https://docs.swift.org/compiler/documentation/diagnostics/deprecated-declaration>
Build complete.
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Done.