{
  "global": {
    "chrome": "65",
    "ff": "61"
  },
  "filesets": {
    "analyzer": [
      "out/ReleaseX64/",
      "xcodebuild/ReleaseX64/",
      "tools/",
      "tests/",
      "pkg/",
      "third_party/pkg/",
      "third_party/pkg_tested/",
      ".packages"
    ],
    "dart2js": [
      ".packages",
      "out/ReleaseIA32/dart-sdk/",
      "out/ReleaseX64/dart-sdk/",
      "pkg/",
      "runtime/tests/",
      "samples-dev/",
      "samples/",
      "tests/angular/",
      "tests/co19/",
      "tests/compiler/",
      "tests/corelib/",
      "tests/corelib_2/",
      "tests/dart/",
      "tests/html/",
      "tests/isolate/",
      "tests/kernel/",
      "tests/language/",
      "tests/language_2/",
      "tests/lib/",
      "tests/lib_2/",
      "tests/light_unittest.dart",
      "tests/search/",
      "tests/standalone/",
      "tests/standalone_2/",
      "third_party/d8/",
      "third_party/observatory_pub_packages/packages/web_components/",
      "third_party/pkg/",
      "third_party/pkg_tested/",
      "tools/",
      "xcodebuild/ReleaseIA32/dart-sdk/",
      "xcodebuild/ReleaseX64/dart-sdk/"
    ],
    "vm_debug": [
      "out/DebugIA32/",
      "out/DebugX64/",
      "xcodebuild/DebugIA32/",
      "xcodebuild/DebugX64/",
      "samples/",
      "samples-dev/",
      "tools/",
      "third_party/pkg/",
      "third_party/pkg_tested/",
      "third_party/d8/",
      "third_party/firefox_jsshell/",
      "third_party/observatory_pub_packages/packages/",
      "tests/",
      "pkg/async_helper/",
      "pkg/expect/",
      "pkg/js/",
      "pkg/meta/",
      "pkg/pkg.status",
      "pkg/status_file/",
      "pkg/vm/",
      "runtime/",
      "sdk/",
      ".packages"
    ],
    "vm-kernel": [
      "out/DebugIA32/",
      "out/DebugSIMARM/",
      "out/DebugSIMARM64/",
      "out/DebugSIMDBC64/",
      "out/DebugX64/",
      "out/ReleaseIA32/",
      "out/ReleaseSIMARM/",
      "out/ReleaseSIMARM64/",
      "out/ReleaseSIMDBC64/",
      "out/ReleaseX64/",
      "xcodebuild/DebugIA32/",
      "xcodebuild/DebugX64/",
      "xcodebuild/ReleaseIA32/",
      "xcodebuild/ReleaseX64/",
      "samples/",
      "samples-dev/",
      "tools/",
      "third_party/pkg/",
      "third_party/pkg_tested/",
      "third_party/observatory_pub_packages/packages/",
      "tests/angular/",
      "tests/co19/",
      "tests/compiler/",
      "tests/corelib/",
      "tests/corelib_2/",
      "tests/dart/",
      "tests/html/",
      "tests/isolate/",
      "tests/kernel/",
      "tests/language/",
      "tests/language_2/",
      "tests/lib/",
      "tests/lib_2/",
      "tests/light_unittest.dart",
      "tests/search/",
      "tests/standalone/",
      "tests/standalone_2/",
      "pkg/async_helper/",
      "pkg/dart_internal/",
      "pkg/expect/",
      "pkg/front_end/",
      "pkg/js/",
      "pkg/kernel/",
      "pkg/meta/",
      "pkg/pkg.status",
      "pkg/status_file/",
      "pkg/vm/",
      "runtime/",
      "sdk/",
      ".packages"
    ]
  },
  "configurations": [
    {
      "builders": [
        "front-end-linux-release-x64",
        "front-end-mac-release-x64",
        "front-end-win-release-x64"
      ],
      "meta": {
        "description": "Runs the front-end unit tests, fasta tests and fasta legacy mode tests."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "dartdevc_test",
            "kernel_platform_files",
            "runtime_kernel"
          ]
        },
        {
          "name": "unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--runtime=vm",
            "--timeout=240",
            "pkg/(kernel|front_end|fasta)"
          ]
        },
        {
          "name": "fasta sdk tests",
          "arguments": [
            "--compiler=fasta",
            "--runtime=none",
            "--strong"
          ]
        },
        {
          "name": "fasta legacy mode sdk tests",
          "arguments": [
            "--compiler=fasta",
            "--no-preview-dart-2",
            "--runtime=none"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-linux-product-x64",
        "vm-mac-product-x64",
        "vm-win-product-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm product builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--builder-tag=swarming", "--no-preview-dart-2"]
        }
      ]
    },
    {
      "builders": [
        "vm-linux-debug-ia32",
        "vm-linux-debug-simarm",
        "vm-linux-debug-x64",
        "vm-linux-release-ia32",
        "vm-linux-release-simarm",
        "vm-linux-release-simarm64",
        "vm-linux-release-x64",
        "vm-mac-debug-ia32",
        "vm-mac-debug-simdbc64",
        "vm-mac-debug-x64",
        "vm-mac-release-ia32",
        "vm-mac-release-simdbc64",
        "vm-mac-release-x64",
        "vm-win-debug-ia32",
        "vm-win-debug-x64",
        "vm-win-release-ia32",
        "vm-win-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm debug and vm release builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--builder-tag=swarming", "--no-preview-dart-2"]
        },
        {
          "name": "checked vm tests",
          "arguments": [
            "--builder-tag=swarming",
            "--checked",
            "--no-preview-dart-2"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-canary-linux-debug"
      ],
      "meta": {
        "description": "This configuration is used to get fast feedback on vm builds."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=ia32,x64", "runtime"]
        },
        {
          "name": "vm ia32 tests",
          "arguments": ["--arch=ia32", "--no-preview-dart-2", "vm"]
        },
        {
          "name": "vm x64 tests",
          "arguments": ["--arch=x64", "--no-preview-dart-2", "vm"]
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-legacy-linux-release-x64"
      ],
      "meta": {
        "description": "Tests the vm with dartk in legacy mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime_kernel"]
        },
        {
          "name": "vm legacy tests",
          "arguments": ["--compiler=dartk", "--no-preview-dart-2"],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-precomp-linux-release-simarm",
        "vm-kernel-precomp-linux-release-simarm64",
        "vm-kernel-precomp-win-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm kernel precomp builders that require --use-blobs."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "strong vm tests",
          "arguments": [
            "--compiler=dartkp",
            "--runtime=dart_precompiled",
            "--strong",
            "--use-blobs"
          ],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-precomp-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm kernel precomp builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "strong vm tests",
          "arguments": [
            "--compiler=dartkp",
            "--runtime=dart_precompiled",
            "--strong"
          ],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-precomp-linux-debug-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm kernel precomp debug builder."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "strong vm tests",
          "arguments": [
            "--compiler=dartkp",
            "--runtime=dart_precompiled",
            "--vm-options=--no-enable-malloc-hooks",
            "--strong"
          ],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-asan-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm builders with address sanitizing (asan). We have to run gn.py with the DART_USE_ASAN options, which we do by running generate_buildfiles."
      },
      "steps": [
        {
          "name": "generate build files with ASAN_USE_DART=1",
          "script": "tools/generate_buildfiles.py",
          "environment": {"DART_USE_ASAN": 1}
        },
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["-v", "runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--timeout=240", "--no-preview-dart-2"],
          "environment": {
            "ASAN_OPTIONS": "handle_segv=0:detect_stack_use_after_return=0",
            "ASAN_SYMBOLIZER_PATH": "buildtools/linux-x64/clang/bin/llvm-symbolizer"
          }
        },
        {
          "name": "checked vm tests",
          "arguments": ["--checked", "--no-preview-dart-2", "--timeout=240"],
          "environment": {
            "ASAN_OPTIONS": "handle_segv=0:detect_stack_use_after_return=0",
            "ASAN_SYMBOLIZER_PATH": "buildtools/linux-x64/clang/bin/llvm-symbolizer"
          }
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-linux-debug-simdbc64",
        "vm-kernel-linux-debug-x64",
        "vm-kernel-linux-release-simarm",
        "vm-kernel-linux-release-simarm64",
        "vm-kernel-linux-release-simdbc64",
        "vm-kernel-linux-release-x64",
        "vm-kernel-mac-debug-x64",
        "vm-kernel-mac-release-x64",
        "vm-kernel-win-release-x64"
      ],
      "meta": {
        "description": "This configuration is for the kernel builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime_kernel"]
        },
        {
          "name": "strong vm tests",
          "arguments": ["--compiler=dartk", "--strong"],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "app-linux-debug-x64",
        "app-linux-product-x64",
        "app-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm app builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": ["--compiler=app_jit", "--no-preview-dart-2"]
        }
      ]
    },
    {
      "builders": [
        "app-kernel-linux-debug-x64",
        "app-kernel-linux-product-x64",
        "app-kernel-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm kernel app builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel"
          ]
        },
        {
          "name": "vm tests",
          "arguments": ["--compiler=app_jitk", "--strong"]
        }
      ]
    },
    {
      "builders": [
        "ddc-linux-release-chrome",
        "ddc-win-release-chrome"
      ],
      "meta": {
        "description": "This configuration is used by the ddc builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["dart2js_bot", "dartdevc_test"]
        },
        {
          "name": "ddc tests",
          "arguments": [
            "-cdartdevc",
            "--checked",
            "--strong",
            "--use-sdk",
            "language_2",
            "corelib_2",
            "lib_2"
          ]
        },
        {
          "name": "ddc kernel tests",
          "arguments": [
            "-cdartdevk",
            "--checked",
            "--strong",
            "--use-sdk",
            "language_2",
            "corelib_2",
            "lib_2"
          ]
        },
        {
          "name": "ddc sourcemap tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_ddc_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddk sourcemap tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_ddk_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc sourcemap stacktrace tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_ddc_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddk sourcemap stacktrace tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_ddk_suite.dart",
            "-rnone"
          ]
        }
      ]
    },
    {
      "builders": [
        "ddc-mac-release-chrome"
      ],
      "meta": {
        "description": "This configuration is used by the ddc builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["dart2js_bot", "dartdevc_test"]
        },
        {
          "name": "ddc tests",
          "arguments": [
            "-cdartdevc",
            "--checked",
            "--strong",
            "--use-sdk",
            "language_2",
            "corelib_2",
            "lib_2"
          ]
        },
        {
          "name": "ddc kernel tests",
          "arguments": [
            "-cdartdevk",
            "--checked",
            "--strong",
            "--use-sdk",
            "language_2",
            "corelib_2",
            "lib_2"
          ]
        },
        {
          "name": "ddc sourcemap tests",
          "script": "xcodebuild/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_ddc_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddk sourcemap tests",
          "script": "xcodebuild/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_ddk_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc sourcemap stacktrace tests",
          "script": "xcodebuild/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_ddc_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddk sourcemap stacktrace tests",
          "script": "xcodebuild/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_ddk_suite.dart",
            "-rnone"
          ]
        }
      ]
    },
    {
      "builders": [
        "precomp-linux-debug-x64",
        "precomp-linux-product-x64",
        "vm-noopt-mac-simarm64",
        "vm-precomp-win-simarm64"
      ],
      "meta": {
        "description": "This is the configuration for the vm precomp builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime", "runtime_precompiled"]
        },
        {
          "name": "vm tests",
          "arguments": [
            "--compiler=precompiler",
            "--no-preview-dart-2",
            "--runtime=dart_precompiled",
            "--use-blobs"]
        }
      ]
    },
    {
      "builders": [
        "vm-precomp-android-release"
      ],
      "meta": {
        "description": "This is the configuration for the android precomp builder. This has its own configuration because it needs to pass arch and os as arguments to build and system to test.py."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=arm", "--os=android", "runtime", "runtime_precompiled"]
        },
        {
          "name": "vm tests",
          "arguments": [
            "--compiler=precompiler",
            "--no-preview-dart-2",
            "--runtime=dart_precompiled",
            "--system=android",
            "--use-blobs"]
        }
      ]
    },
    {
      "builders": [
        "vm-optcounter-threshold-linux-release-ia32",
        "vm-optcounter-threshold-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for the optcounter builders, under the vm-misc group. They run the same tests as the ordinary VM builders, but add extra options to the vm."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "--builder-tag=optimization_counter_threshold",
            "--no-preview-dart-2",
            "--vm-options=--optimization-counter-threshold=5"
          ]
        },
        {
          "name": "checked vm tests",
          "arguments": [
            "--builder-tag=optimization_counter_threshold",
            "--checked",
            "--no-preview-dart-2",
            "--vm-options=--optimization-counter-threshold=5"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-optcounter-threshold-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for the kernel optcounter builders, under the vm-kernel group. They run the same tests as the ordinary VM kernel builders, but add extra options to the vm."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel"
          ]
        },
        {
          "name": "strong vm tests",
          "arguments": [
            "--builder-tag=optimization_counter_threshold",
            "--compiler=dartk",
            "--strong",
            "--vm-options=--optimization-counter-threshold=5"
          ],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-reload-linux-debug-x64",
        "vm-reload-linux-release-x64",
        "vm-reload-mac-debug-simdbc64",
        "vm-reload-mac-release-simdbc64"
      ],
      "meta": {
        "description": "This is the configuration for the hot reload builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--hot-reload", "--no-preview-dart-2"]
        },
        {
          "name": "checked vm tests",
          "arguments": ["--checked", "--hot-reload", "--no-preview-dart-2"]
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-reload-linux-debug-x64",
        "vm-kernel-reload-linux-release-x64",
        "vm-kernel-reload-mac-debug-simdbc64",
        "vm-kernel-reload-mac-release-simdbc64"
      ],
      "meta": {
        "description": "This is the configuration for the kernel hot reload builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime_kernel"]
        },
        {
          "name": "vm tests",
          "arguments": ["--compiler=dartk", "--hot-reload", "--strong"]
        }
      ]
    },
    {
      "builders": [
        "vm-reload-rollback-linux-debug-x64",
        "vm-reload-rollback-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for reload rollback builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--hot-reload-rollback", "--no-preview-dart-2"]
        },
        {
          "name": "checked vm tests",
          "arguments": [
            "--checked",
            "--hot-reload-rollback",
            "--no-preview-dart-2"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-reload-rollback-linux-debug-x64",
        "vm-kernel-reload-rollback-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for kernel reload rollback builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime_kernel"]
        },
        {
          "name": "vm tests",
          "arguments": ["--compiler=dartk", "--hot-reload-rollback", "--strong"]
        }
      ]
    },
    {
      "builders": [
        "dart2js-hostchecked-linux-ia32-d8"
      ],
      "meta": {
        "description": "This configuration is for the host-checked d8 builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["dart2js_bot"]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "exclude_tests": ["observatory_ui", "co19"]
        },
        {
          "name": "dart2js package tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        },
        {
          "name": "dart2js co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["co19"]
        },
        {
          "name": "dart2js checked tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "exclude_tests": ["observatory_ui", "co19"]
        },
        {
          "name": "dart2js checked package tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js checked observatory-ui tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js checked extra tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        },
        {
          "name": "dart2js checked co19 tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["co19"]
        },
        {
          "name": "dart2js checked unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--runtime=vm"
          ],
          "tests": ["dart2js"]
        }
      ]
    },
    {
      "builders": [
        "dart2js-linux-x64-chrome",
        "dart2js-linux-x64-drt",
        "dart2js-linux-x64-ff",
        "dart2js-mac-x64-chrome",
        "dart2js-mac-x64-safari",
        "dart2js-win-x64-chrome",
        "dart2js-win-x64-edge",
        "dart2js-win-x64-ff",
        "dart2js-win-x64-ie11"
      ],
      "meta": {
        "description": "These builders run dart2js tests."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js package tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        }
      ]
    },
    {
      "builders": [
        "dart2js-faststartup-linux-x64-chrome"
      ],
      "meta": {
        "description":
          "These builders run dart2js tests with the --fast-startup option."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "dart2js fast-startup tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup package tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js fast-startup observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js fast-startup extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        }
      ]
    },
    {
      "builders": ["dart2js-minified-linux-x64-d8"],
      "meta": {
        "description": "This builder runs the dart2js tests in minified mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup co19 tests",
          "arguments": [
            "--use-sdk",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js package tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        },
        {
          "name": "dart2js fast-startup pkg tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js fast-startup observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js fast-startup extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        }
      ]
    },
    {
      "builders": ["dart2js-csp-minified-linux-x64-chrome"],
      "meta": {
        "description": "This builder runs the dart2js tests in csp and minified mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js package tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        },
        {
          "name": "dart2js fast-startup pkg tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js fast-startup observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js fast-startup extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        }
      ]
    },
    {
      "builders": [
        "dart-sdk-linux"
      ],
      "meta": {
        "description": "This configuration is used by the linux sdk builder. The difference between this configuration and the other sdk builder configurations is that this one also generates the api docs."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=ia32,x64", "create_sdk" ]
        },
        {
          "name": "generate API docs",
          "script": "tools/bots/dart_sdk.py",
          "arguments": [ "api_docs" ]
        }
      ]
    },
    {
      "builders": ["dart-sdk-mac"],
      "meta": {
        "description": "This configuration is used by the sdk-builder for mac."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=ia32,x64", "create_sdk" ]
        }
      ]
    },
    {
      "builders": ["dart-sdk-win"],
      "meta": {
        "description": "This configuration is used by the sdk-builder for windows."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=ia32,x64", "create_sdk" ]
        }
      ]
    },
    {
      "builders": [
        "analyzer-linux-release",
        "analyzer-mac-release",
        "analyzer-win-release"
      ],
      "meta": {
        "description": "This configuration is used by the analyzer builders not running strong mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "analyze tests",
          "arguments": [
            "--compiler=dart2analyzer",
            "--no-preview-dart-2",
            "--use-sdk"
          ]
        },
        {
          "name": "analyze pkg tests",
          "arguments": [
            "--compiler=dart2analyzer",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg"
          ]
        },
        {
          "name": "analyze tests checked",
          "arguments": [
            "--checked",
            "--compiler=dart2analyzer",
            "--no-preview-dart-2",
            "--use-sdk"
          ]
        },
        {
          "name": "analyze pkg tests checked",
          "arguments": [
            "--checked",
            "--compiler=dart2analyzer",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg"
          ]
        },
        {
          "name": "analyzer unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg/analyzer"
          ]
        },
        {
          "name": "analysis_server unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg/analysis_server"
          ]
        },
        {
          "name": "analyzer_cli unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg/analyzer_cli"
          ]
        },
        {
          "name": "analyzer_plugin unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg/analyzer_plugin"
          ]
        }
      ]
    },
    {
      "builders": [
        "analyzer-strong-linux-release",
        "analyzer-strong-mac-release",
        "analyzer-strong-win-release"
      ],
      "meta": {
        "description": "This configuration is used by the analyzer builders running strong mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "analyze pkg tests",
          "arguments": [
            "--compiler=dart2analyzer",
            "--use-sdk",
            "pkg"
          ]
        },
        {
          "name": "analyze tests preview-dart2",
          "arguments": [
            "--compiler=dart2analyzer",
            "--use-sdk"
          ]
        }
      ]
    },
    {
      "builders": ["analyzer-analysis-server-linux"],
      "meta": {
        "description": "Analyze analyzer related packages."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "Analyze pkg/analysis_server",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": ["--no-hints","pkg/analysis_server"]
        },
        {
          "name": "Analyze pkg/analyzer",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": ["--no-hints","pkg/analyzer"]
        },
        {
          "name": "Analyze pkg/analyzer_plugin",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": ["--no-hints","pkg/analyzer_plugin"]
        }
      ]
    },
    {
      "builders": ["analyzer-use-fasta-parser-linux"],
      "meta": {
        "description": "Run the analyzer using the Fasta parser."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "analyze pkg/analysis_server",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": [
            "--no-hints",
            "--use-fasta-parser",
            "pkg/analysis_server"
          ]
        },
        {
          "name": "analyze pkg/analyzer",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": [
            "--no-hints",
            "--use-fasta-parser",
            "pkg/analyzer"
          ]
        },
        {
          "name": "analyze pkg/analyzer_cli/lib",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": [
            "--no-hints",
            "--use-fasta-parser",
            "pkg/analyzer_cli/lib"
          ]
        },
        {
          "name": "run analyzer unit tests",
          "arguments": [
            "--builder-tag=analyzer_use_fasta",
            "--compiler=none",
            "--use-sdk",
            "--vm-options=-DuseFastaParser=true",
            "pkg/analyzer"
          ]
        },
        {
          "name": "run analysis server plugin tests",
          "arguments": [
            "--builder-tag=analyzer_use_fasta",
            "--compiler=none",
            "--use-sdk",
            "--vm-options=-DuseFastaParser=true",
            "pkg/analyzer_plugin"
          ]
        },
        {
          "name": "run analysis server unit tests",
          "arguments": [
            "--builder-tag=analyzer_use_fasta",
            "--compiler=none",
            "--use-sdk",
            "--vm-options=-DuseFastaParser=true",
            "pkg/analysis_server"
          ]
        }
      ]
    },
    {
      "builders": ["pkg-linux-release","pkg-win-release","pkg-mac-release"],
      "meta": {
        "description": "This configuration is used by the pkg builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "package unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--runtime=vm",
            "--timeout=120",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "third_party/pkg_tested unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--runtime=vm",
            "--use-sdk"
          ],
          "tests": ["pkg_tested"]
        },
        {
          "name": "pub integration tests",
          "script": "tools/bots/pub_integration_test.py"
        }
      ]
    },
    {
      "builders": ["benchmark-linux"],
      "meta": {
        "description": "Verify benchmarks build and run correctly.",
        "owner": "sortie@google.com"
      },
      "steps": [
        {
          "name": "see this step for details on what this bot does",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["noop"]
        },
        {
          "name": "remove out directory to do a clean build",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["clean"]
        },
        {
          "name": "build linux-ia32 for benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["linux-ia32-build"]
        },
        {
          "name": "try linux-ia32 benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["linux-ia32-benchmark"]
        },
        {
          "name": "build linux-x64 for benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["linux-x64-build"]
        },
        {
          "name": "try linux-x64 benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["linux-x64-benchmark"]
        }
      ]
    }
  ],
  "builder_configurations": [
    {
      "builders": [
        "front-end-linux-release-x64",
        "front-end-mac-release-x64",
        "front-end-win-release-x64"
      ],
      "meta": {
        "description": "Runs the front-end unit tests, fasta tests and fasta legacy mode tests."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "dartdevc_test",
            "kernel_platform_files",
            "runtime_kernel"
          ]
        },
        {
          "name": "unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--runtime=vm",
            "--timeout=240",
            "pkg/(kernel|front_end|fasta)"
          ]
        },
        {
          "name": "fasta sdk tests",
          "arguments": [
            "--compiler=fasta",
            "--runtime=none",
            "--strong"
          ]
        },
        {
          "name": "fasta legacy mode sdk tests",
          "arguments": [
            "--compiler=fasta",
            "--no-preview-dart-2",
            "--runtime=none"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-linux-product-x64",
        "vm-mac-product-x64",
        "vm-win-product-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm product builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--builder-tag=swarming", "--no-preview-dart-2"]
        }
      ]
    },
    {
      "builders": [
        "vm-linux-debug-ia32",
        "vm-linux-debug-simarm",
        "vm-linux-debug-x64",
        "vm-linux-release-ia32",
        "vm-linux-release-simarm",
        "vm-linux-release-simarm64",
        "vm-linux-release-x64",
        "vm-mac-debug-ia32",
        "vm-mac-debug-simdbc64",
        "vm-mac-debug-x64",
        "vm-mac-release-ia32",
        "vm-mac-release-simdbc64",
        "vm-mac-release-x64",
        "vm-win-debug-ia32",
        "vm-win-debug-x64",
        "vm-win-release-ia32",
        "vm-win-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm debug and vm release builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--builder-tag=swarming", "--no-preview-dart-2"]
        },
        {
          "name": "checked vm tests",
          "arguments": [
            "--builder-tag=swarming",
            "--checked",
            "--no-preview-dart-2"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-canary-linux-debug"
      ],
      "meta": {
        "description": "This configuration is used to get fast feedback on vm builds."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=ia32,x64", "runtime"]
        },
        {
          "name": "vm ia32 tests",
          "arguments": ["--arch=ia32", "--no-preview-dart-2", "vm"]
        },
        {
          "name": "vm x64 tests",
          "arguments": ["--arch=x64", "--no-preview-dart-2", "vm"]
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-legacy-linux-release-x64"
      ],
      "meta": {
        "description": "Tests the vm with dartk in legacy mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime_kernel"]
        },
        {
          "name": "vm legacy tests",
          "arguments": ["--compiler=dartk", "--no-preview-dart-2"],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-precomp-linux-release-simarm",
        "vm-kernel-precomp-linux-release-simarm64",
        "vm-kernel-precomp-win-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm kernel precomp builders that require --use-blobs."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "strong vm tests",
          "arguments": [
            "--compiler=dartkp",
            "--runtime=dart_precompiled",
            "--strong",
            "--use-blobs"
          ],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-precomp-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm kernel precomp builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "strong vm tests",
          "arguments": [
            "--compiler=dartkp",
            "--runtime=dart_precompiled",
            "--strong"
          ],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-precomp-linux-debug-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm kernel precomp debug builder."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "strong vm tests",
          "arguments": [
            "--compiler=dartkp",
            "--runtime=dart_precompiled",
            "--vm-options=--no-enable-malloc-hooks",
            "--strong"
          ],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-asan-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm builders with address sanitizing (asan). We have to run gn.py with the DART_USE_ASAN options, which we do by running generate_buildfiles."
      },
      "steps": [
        {
          "name": "generate build files with ASAN_USE_DART=1",
          "script": "tools/generate_buildfiles.py",
          "environment": {"DART_USE_ASAN": 1}
        },
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["-v", "runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--timeout=240", "--no-preview-dart-2"],
          "environment": {
            "ASAN_OPTIONS": "handle_segv=0:detect_stack_use_after_return=0",
            "ASAN_SYMBOLIZER_PATH": "buildtools/linux-x64/clang/bin/llvm-symbolizer"
          }
        },
        {
          "name": "checked vm tests",
          "arguments": ["--checked", "--no-preview-dart-2", "--timeout=240"],
          "environment": {
            "ASAN_OPTIONS": "handle_segv=0:detect_stack_use_after_return=0",
            "ASAN_SYMBOLIZER_PATH": "buildtools/linux-x64/clang/bin/llvm-symbolizer"
          }
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-linux-debug-simdbc64",
        "vm-kernel-linux-debug-x64",
        "vm-kernel-linux-release-simarm",
        "vm-kernel-linux-release-simarm64",
        "vm-kernel-linux-release-simdbc64",
        "vm-kernel-linux-release-x64",
        "vm-kernel-mac-debug-x64",
        "vm-kernel-mac-release-x64",
        "vm-kernel-win-release-x64"
      ],
      "meta": {
        "description": "This configuration is for the kernel builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime_kernel"]
        },
        {
          "name": "strong vm tests",
          "arguments": ["--compiler=dartk", "--strong"],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "app-linux-debug-x64",
        "app-linux-product-x64",
        "app-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm app builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": ["--compiler=app_jit", "--no-preview-dart-2"]
        }
      ]
    },
    {
      "builders": [
        "app-kernel-linux-debug-x64",
        "app-kernel-linux-product-x64",
        "app-kernel-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm kernel app builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel"
          ]
        },
        {
          "name": "vm tests",
          "arguments": ["--compiler=app_jitk", "--strong"]
        }
      ]
    },
    {
      "builders": [
        "ddc-linux-release-chrome",
        "ddc-win-release-chrome"
      ],
      "meta": {
        "description": "This configuration is used by the ddc builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["dart2js_bot", "dartdevc_test"]
        },
        {
          "name": "ddc tests",
          "arguments": [
            "-cdartdevc",
            "--checked",
            "--strong",
            "--use-sdk",
            "language_2",
            "corelib_2",
            "lib_2"
          ]
        },
        {
          "name": "ddc kernel tests",
          "arguments": [
            "-cdartdevk",
            "--checked",
            "--strong",
            "--use-sdk",
            "language_2",
            "corelib_2",
            "lib_2"
          ]
        },
        {
          "name": "ddc sourcemap tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_ddc_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddk sourcemap tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_ddk_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc sourcemap stacktrace tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_ddc_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddk sourcemap stacktrace tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_ddk_suite.dart",
            "-rnone"
          ]
        }
      ]
    },
    {
      "builders": [
        "ddc-mac-release-chrome"
      ],
      "meta": {
        "description": "This configuration is used by the ddc builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["dart2js_bot", "dartdevc_test"]
        },
        {
          "name": "ddc tests",
          "arguments": [
            "-cdartdevc",
            "--checked",
            "--strong",
            "--use-sdk",
            "language_2",
            "corelib_2",
            "lib_2"
          ]
        },
        {
          "name": "ddc kernel tests",
          "arguments": [
            "-cdartdevk",
            "--checked",
            "--strong",
            "--use-sdk",
            "language_2",
            "corelib_2",
            "lib_2"
          ]
        },
        {
          "name": "ddc sourcemap tests",
          "script": "xcodebuild/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_ddc_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddk sourcemap tests",
          "script": "xcodebuild/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_ddk_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc sourcemap stacktrace tests",
          "script": "xcodebuild/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_ddc_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddk sourcemap stacktrace tests",
          "script": "xcodebuild/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_ddk_suite.dart",
            "-rnone"
          ]
        }
      ]
    },
    {
      "builders": [
        "precomp-linux-debug-x64",
        "precomp-linux-product-x64",
        "vm-noopt-mac-simarm64",
        "vm-precomp-win-simarm64"
      ],
      "meta": {
        "description": "This is the configuration for the vm precomp builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime", "runtime_precompiled"]
        },
        {
          "name": "vm tests",
          "arguments": [
            "--compiler=precompiler",
            "--no-preview-dart-2",
            "--runtime=dart_precompiled",
            "--use-blobs"]
        }
      ]
    },
    {
      "builders": [
        "vm-precomp-android-release"
      ],
      "meta": {
        "description": "This is the configuration for the android precomp builder. This has its own configuration because it needs to pass arch and os as arguments to build and system to test.py."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=arm", "--os=android", "runtime", "runtime_precompiled"]
        },
        {
          "name": "vm tests",
          "arguments": [
            "--compiler=precompiler",
            "--no-preview-dart-2",
            "--runtime=dart_precompiled",
            "--system=android",
            "--use-blobs"]
        }
      ]
    },
    {
      "builders": [
        "vm-optcounter-threshold-linux-release-ia32",
        "vm-optcounter-threshold-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for the optcounter builders, under the vm-misc group. They run the same tests as the ordinary VM builders, but add extra options to the vm."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "--builder-tag=optimization_counter_threshold",
            "--no-preview-dart-2",
            "--vm-options=--optimization-counter-threshold=5"
          ]
        },
        {
          "name": "checked vm tests",
          "arguments": [
            "--builder-tag=optimization_counter_threshold",
            "--checked",
            "--no-preview-dart-2",
            "--vm-options=--optimization-counter-threshold=5"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-optcounter-threshold-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for the kernel optcounter builders, under the vm-kernel group. They run the same tests as the ordinary VM kernel builders, but add extra options to the vm."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime_kernel"
          ]
        },
        {
          "name": "strong vm tests",
          "arguments": [
            "--builder-tag=optimization_counter_threshold",
            "--compiler=dartk",
            "--strong",
            "--vm-options=--optimization-counter-threshold=5"
          ],
          "fileset": "vm-kernel",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-reload-linux-debug-x64",
        "vm-reload-linux-release-x64",
        "vm-reload-mac-debug-simdbc64",
        "vm-reload-mac-release-simdbc64"
      ],
      "meta": {
        "description": "This is the configuration for the hot reload builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--hot-reload", "--no-preview-dart-2"]
        },
        {
          "name": "checked vm tests",
          "arguments": ["--checked", "--hot-reload", "--no-preview-dart-2"]
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-reload-linux-debug-x64",
        "vm-kernel-reload-linux-release-x64",
        "vm-kernel-reload-mac-debug-simdbc64",
        "vm-kernel-reload-mac-release-simdbc64"
      ],
      "meta": {
        "description": "This is the configuration for the kernel hot reload builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime_kernel"]
        },
        {
          "name": "vm tests",
          "arguments": ["--compiler=dartk", "--hot-reload", "--strong"]
        }
      ]
    },
    {
      "builders": [
        "vm-reload-rollback-linux-debug-x64",
        "vm-reload-rollback-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for reload rollback builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime"]
        },
        {
          "name": "vm tests",
          "arguments": ["--hot-reload-rollback", "--no-preview-dart-2"]
        },
        {
          "name": "checked vm tests",
          "arguments": [
            "--checked",
            "--hot-reload-rollback",
            "--no-preview-dart-2"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-kernel-reload-rollback-linux-debug-x64",
        "vm-kernel-reload-rollback-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for kernel reload rollback builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["runtime_kernel"]
        },
        {
          "name": "vm tests",
          "arguments": ["--compiler=dartk", "--hot-reload-rollback", "--strong"]
        }
      ]
    },
    {
      "builders": [
        "dart2js-hostchecked-linux-ia32-d8"
      ],
      "meta": {
        "description": "This configuration is for the host-checked d8 builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["dart2js_bot"]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "exclude_tests": ["observatory_ui", "co19"]
        },
        {
          "name": "dart2js package tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        },
        {
          "name": "dart2js co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["co19"]
        },
        {
          "name": "dart2js checked tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "exclude_tests": ["observatory_ui", "co19"]
        },
        {
          "name": "dart2js checked package tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js checked observatory-ui tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js checked extra tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        },
        {
          "name": "dart2js checked co19 tests",
          "arguments": [
            "--checked",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--host-checked",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["co19"]
        },
        {
          "name": "dart2js checked unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--runtime=vm"
          ],
          "tests": ["dart2js"]
        }
      ]
    },
    {
      "builders": [
        "dart2js-linux-x64-chrome",
        "dart2js-linux-x64-drt",
        "dart2js-linux-x64-ff",
        "dart2js-mac-x64-chrome",
        "dart2js-mac-x64-safari",
        "dart2js-win-x64-chrome",
        "dart2js-win-x64-edge",
        "dart2js-win-x64-ff",
        "dart2js-win-x64-ie11"
      ],
      "meta": {
        "description": "These builders run dart2js tests."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js package tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        }
      ]
    },
    {
      "builders": [
        "dart2js-faststartup-linux-x64-chrome"
      ],
      "meta": {
        "description":
          "These builders run dart2js tests with the --fast-startup option."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "dart2js fast-startup tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup package tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js fast-startup observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js fast-startup extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        }
      ]
    },
    {
      "builders": ["dart2js-minified-linux-x64-d8"],
      "meta": {
        "description": "This builder runs the dart2js tests in minified mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup co19 tests",
          "arguments": [
            "--use-sdk",
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js package tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        },
        {
          "name": "dart2js fast-startup pkg tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js fast-startup observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js fast-startup extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        }
      ]
    },
    {
      "builders": ["dart2js-csp-minified-linux-x64-chrome"],
      "meta": {
        "description": "This builder runs the dart2js tests in csp and minified mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "exclude_tests": ["observatory_ui", "co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js fast-startup co19 tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["co19"],
          "shards": 4,
          "fileset": "dart2js"
        },
        {
          "name": "dart2js package tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        },
        {
          "name": "dart2js fast-startup pkg tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "dart2js fast-startup observatory-ui tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["observatory_ui"]
        },
        {
          "name": "dart2js fast-startup extra tests",
          "arguments": [
            "--compiler=dart2js",
            "--csp",
            "--dart2js-batch",
            "--fast-startup",
            "--minified",
            "--no-preview-dart-2",
            "--reset-browser-configuration",
            "--use-sdk"
          ],
          "tests": ["dart2js_extra","dart2js_native"]
        }
      ]
    },
    {
      "builders": [
        "dart-sdk-linux"
      ],
      "meta": {
        "description": "This configuration is used by the linux sdk builder. The difference between this configuration and the other sdk builder configurations is that this one also generates the api docs."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=ia32,x64", "create_sdk" ]
        },
        {
          "name": "generate API docs",
          "script": "tools/bots/dart_sdk.py",
          "arguments": [ "api_docs" ]
        }
      ]
    },
    {
      "builders": ["dart-sdk-mac"],
      "meta": {
        "description": "This configuration is used by the sdk-builder for mac."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=ia32,x64", "create_sdk" ]
        }
      ]
    },
    {
      "builders": ["dart-sdk-win"],
      "meta": {
        "description": "This configuration is used by the sdk-builder for windows."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["--arch=ia32,x64", "create_sdk" ]
        }
      ]
    },
    {
      "builders": [
        "analyzer-linux-release",
        "analyzer-mac-release",
        "analyzer-win-release"
      ],
      "meta": {
        "description": "This configuration is used by the analyzer builders not running strong mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "analyze tests",
          "arguments": [
            "--compiler=dart2analyzer",
            "--no-preview-dart-2",
            "--use-sdk"
          ]
        },
        {
          "name": "analyze pkg tests",
          "arguments": [
            "--compiler=dart2analyzer",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg"
          ]
        },
        {
          "name": "analyze tests checked",
          "arguments": [
            "--checked",
            "--compiler=dart2analyzer",
            "--no-preview-dart-2",
            "--use-sdk"
          ]
        },
        {
          "name": "analyze pkg tests checked",
          "arguments": [
            "--checked",
            "--compiler=dart2analyzer",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg"
          ]
        },
        {
          "name": "analyzer unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg/analyzer"
          ]
        },
        {
          "name": "analysis_server unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg/analysis_server"
          ]
        },
        {
          "name": "analyzer_cli unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg/analyzer_cli"
          ]
        },
        {
          "name": "analyzer_plugin unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--use-sdk",
            "pkg/analyzer_plugin"
          ]
        }
      ]
    },
    {
      "builders": [
        "analyzer-strong-linux-release",
        "analyzer-strong-mac-release",
        "analyzer-strong-win-release"
      ],
      "meta": {
        "description": "This configuration is used by the analyzer builders running strong mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "analyze pkg tests",
          "arguments": [
            "--compiler=dart2analyzer",
            "--use-sdk",
            "pkg"
          ]
        },
        {
          "name": "analyze tests preview-dart2",
          "arguments": [
            "--compiler=dart2analyzer",
            "--use-sdk"
          ]
        }
      ]
    },
    {
      "builders": ["analyzer-analysis-server-linux"],
      "meta": {
        "description": "Analyze analyzer related packages."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "Analyze pkg/analysis_server",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": ["--no-hints","pkg/analysis_server"]
        },
        {
          "name": "Analyze pkg/analyzer",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": ["--no-hints","pkg/analyzer"]
        },
        {
          "name": "Analyze pkg/analyzer_plugin",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": ["--no-hints","pkg/analyzer_plugin"]
        }
      ]
    },
    {
      "builders": ["analyzer-use-fasta-parser-linux"],
      "meta": {
        "description": "Run the analyzer using the Fasta parser."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "analyze pkg/analysis_server",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": [
            "--no-hints",
            "--use-fasta-parser",
            "pkg/analysis_server"
          ]
        },
        {
          "name": "analyze pkg/analyzer",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": [
            "--no-hints",
            "--use-fasta-parser",
            "pkg/analyzer"
          ]
        },
        {
          "name": "analyze pkg/analyzer_cli/lib",
          "script": "out/ReleaseX64/dart-sdk/bin/dartanalyzer",
          "arguments": [
            "--no-hints",
            "--use-fasta-parser",
            "pkg/analyzer_cli/lib"
          ]
        },
        {
          "name": "run analyzer unit tests",
          "arguments": [
            "--builder-tag=analyzer_use_fasta",
            "--compiler=none",
            "--use-sdk",
            "--vm-options=-DuseFastaParser=true",
            "pkg/analyzer"
          ]
        },
        {
          "name": "run analysis server plugin tests",
          "arguments": [
            "--builder-tag=analyzer_use_fasta",
            "--compiler=none",
            "--use-sdk",
            "--vm-options=-DuseFastaParser=true",
            "pkg/analyzer_plugin"
          ]
        },
        {
          "name": "run analysis server unit tests",
          "arguments": [
            "--builder-tag=analyzer_use_fasta",
            "--compiler=none",
            "--use-sdk",
            "--vm-options=-DuseFastaParser=true",
            "pkg/analysis_server"
          ]
        }
      ]
    },
    {
      "builders": ["pkg-linux-release","pkg-win-release","pkg-mac-release"],
      "meta": {
        "description": "This configuration is used by the pkg builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": ["create_sdk"]
        },
        {
          "name": "package unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--runtime=vm",
            "--timeout=120",
            "--use-sdk"
          ],
          "tests": ["pkg"]
        },
        {
          "name": "third_party/pkg_tested unit tests",
          "arguments": [
            "--checked",
            "--compiler=none",
            "--no-preview-dart-2",
            "--runtime=vm",
            "--use-sdk"
          ],
          "tests": ["pkg_tested"]
        },
        {
          "name": "pub integration tests",
          "script": "tools/bots/pub_integration_test.py"
        }
      ]
    },
    {
      "builders": ["benchmark-linux"],
      "meta": {
        "description": "Verify benchmarks build and run correctly.",
        "owner": "sortie@google.com"
      },
      "steps": [
        {
          "name": "see this step for details on what this bot does",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["noop"]
        },
        {
          "name": "remove out directory to do a clean build",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["clean"]
        },
        {
          "name": "build linux-ia32 for benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["linux-ia32-build"]
        },
        {
          "name": "try linux-ia32 benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["linux-ia32-benchmark"]
        },
        {
          "name": "build linux-x64 for benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["linux-x64-build"]
        },
        {
          "name": "try linux-x64 benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": ["linux-x64-benchmark"]
        }
      ]
    }
  ]
}