anchor.diff:    _i1.applyPostProcess(
         'provides_builder:some_post_process_builder', _i4.somePostProcessBuilder,
         defaultGenerateFor: const _i3.InputSet()),
  -  _i1.applyPostProcess('build_modules:module_cleanup', _i5.moduleCleanup,
  +  _i1.applyPostProcess('source_gen:part_cleanup', _i6.partCleanup,
  +      defaultGenerateFor: const _i3.InputSet()),
  +  _i1.applyPostProcess('build_modules:module_cleanup', _i7.moduleCleanup,
         defaultGenerateFor: const _i3.InputSet()),
     _i1.applyPostProcess('build_web_compilers:dart2js_archive_extractor',
  -      _i7.dart2jsArchiveExtractor,
  -      defaultReleaseOptions: _i8.BuilderOptions({'filter_outputs': true}),
  +      _i9.dart2jsArchiveExtractor,
  +      defaultReleaseOptions: _i10.BuilderOptions({'filter_outputs': true}),
         defaultGenerateFor: const _i3.InputSet()),
     _i1.applyPostProcess(
  -      'build_web_compilers:dart_source_cleanup', _i7.dartSourceCleanup,
  -      defaultReleaseOptions: _i8.BuilderOptions({'enabled': true}),
  +      'build_web_compilers:dart_source_cleanup', _i9.dartSourceCleanup,
  +      defaultReleaseOptions: _i10.BuilderOptions({'enabled': true}),
         defaultGenerateFor: const _i3.InputSet()),
     _i1.applyPostProcess(
  -      'build_web_compilers:sdk_js_cleanup', _i7.sdkJsCleanupBuilder,
  -      defaultReleaseOptions: _i8.BuilderOptions({'enabled': true}),
  +      'build_web_compilers:sdk_js_cleanup', _i9.sdkJsCleanupBuilder,
  +      defaultReleaseOptions: _i10.BuilderOptions({'enabled': true}),
         defaultGenerateFor: const _i3.InputSet())
   ];
  -main(List<String> args, [_i9.SendPort sendPort]) async {
  -  var result = await _i10.run(args, _builders);
  +main(List<String> args, [_i11.SendPort sendPort]) async {
  +  var result = await _i12.run(args, _builders);
     sendPort?.send(result);
  -  _i11.exitCode = result;
  +  _i13.exitCode = result;
   }
  
positive.code:   _i1.apply(
        'build_web_compilers:ddc_modules',
        [
          _i7.ddcMetaModuleBuilder,
          _i7.ddcMetaModuleCleanBuilder,
          _i7.ddcModuleBuilder
        ],
        _i1.toNoneByDefault(),
        isOptional: true,
        hideOutput: true,
        appliesBuilders: ['build_modules:module_cleanup']),
    _i1.apply('build_web_compilers:ddc', [_i7.ddcKernelBuilder, _i7.ddcBuilder],
        _i1.toAllPackages(),
        isOptional: true,
        hideOutput: true,
  
negative.code:   _i1.apply(
        'build_web_compilers:dart2js_modules',
        [
          _i9.dart2jsMetaModuleBuilder,
          _i9.dart2jsMetaModuleCleanBuilder,
          _i9.dart2jsModuleBuilder
        ],
        _i1.toNoneByDefault(),
        isOptional: true,
  