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      ],
      "meta": {
        "description": "Runs the front-end tests with NNBD"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "ddc_stable_test",
            "kernel_platform_files",
            "runtime"
          ]
        },
        {
          "name": "front_end weak tests",
          "arguments": [
            "-ncfe-weak-${system}",
            "co19",
            "corelib",
            "language",
            "lib"
          ],
          "fileset": "front-end",
          "shards": 2
        },
        {
          "name": "front_end strong tests",
          "arguments": [
            "-ncfe-strong-${system}",
            "co19",
            "corelib",
            "ffi",
            "language",
            "lib",
            "service"
          ],
          "fileset": "front-end",
          "shards": 2
        }
      ]
    },
    {
      "builders": [
        "vm-aot-android-release-arm_x64",
        "vm-aot-android-release-arm64c"
      ],
      "meta": {
        "description": "This configuration is used by the vm precomp builders on Android."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "dart_precompiled_runtime",
            "--os=android"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-android-${mode}-${arch}",
            "-j2"
          ],
          "fileset": "vm",
          "shards": 15
        }
      ]
    },
    {
      "builders": [
        "vm-ffi-android-debug-arm64c",
        "vm-ffi-android-debug-arm",
        "vm-ffi-android-release-arm64c",
        "vm-ffi-android-release-arm",
        "vm-ffi-android-product-arm64c",
        "vm-ffi-android-product-arm"
      ],
      "meta": {
        "description": "This configuration is used for running FFI tests in JIT-mode on Android."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "--os=android"
          ]
        },
        {
          "name": "vm ffi tests",
          "arguments": [
            "-nvm-android-${mode}-${arch}",
            "ffi"
          ],
          "fileset": "vm",
          "shards": 1
        }
      ]
    },
    {
      "builders": [
        "vm-ffi-qemu-linux-release-arm"
      ],
      "meta": {
        "description": "This configuration is used for running vm unit tests and FFI tests on qemu and FFI unit tests."
      },
      "steps": [
        {
          "name": "build run_ffi_unit_tests",
          "script": "tools/build.py",
          "arguments": [
            "--arch=x64",
            "--mode=debug",
            "run_ffi_unit_tests"
          ]
        },
        {
          "name": "vm ffi unit tests",
          "arguments": [
            "-nvm-ffi-unit-test",
            "ffi_unit"
          ]
        },
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--use-qemu",
            "dart_precompiled_runtime",
            "runtime"
          ]
        },
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--arch=simarm_x64",
            "gen_snapshot"
          ]
        },
        {
          "name": "vm unit tests",
          "arguments": [
            "-nvm-linux-${mode}-arm-qemu",
            "vm/cc"
          ]
        },
        {
          "name": "vm jit ffi tests",
          "arguments": [
            "-nvm-linux-${mode}-arm-qemu",
            "ffi"
          ]
        },
        {
          "name": "vm aot ffi tests",
          "arguments": [
            "-nvm-aot-linux-${mode}-arm-qemu",
            "ffi"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-ffi-qemu-linux-release-riscv64"
      ],
      "meta": {
        "description": "This configuration is used for running vm unit tests and FFI tests on qemu and FFI unit tests."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--use-qemu",
            "dart_precompiled_runtime",
            "runtime"
          ]
        },
        {
          "name": "vm unit tests",
          "arguments": [
            "-nvm-linux-${mode}-riscv64-qemu",
            "vm/cc"
          ]
        },
        {
          "name": "vm jit ffi tests",
          "arguments": [
            "-nvm-linux-${mode}-riscv64-qemu",
            "ffi"
          ]
        },
        {
          "name": "vm aot ffi tests",
          "arguments": [
            "-nvm-aot-linux-${mode}-riscv64-qemu",
            "ffi"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-linux-debug-x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM JIT builders. Includes VM service testing in addtion to legacy Observatory service tests.",
        "__comment__": "This configuration should be merged with the other VM JIT builders config once Observatory is removed."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--codesigning-identity=-",
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-${system}-${mode}-${arch}",
            "--default-suites",
            "co19",
            "pkg/pkg/vm_service/",
            "service"
          ],
          "fileset": "vm",
          "shards": 16
        }
      ]
    },
    {
      "builders": [
        "vm-linux-debug-ia32",
        "vm-linux-release-ia32",
        "vm-linux-release-x64",
        "vm-mac-debug-arm64",
        "vm-mac-release-arm64",
        "vm-win-debug-x64",
        "vm-win-release-ia32",
        "vm-win-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM JIT builders. Includes VM service testing.",
        "__comment__": "vm-linux-debug-x64 should be added back into this configuration once Observatory is removed."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--codesigning-identity=-",
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-${system}-${mode}-${arch}",
            "--default-suites",
            "co19",
            "pkg/pkg/vm_service/"
          ],
          "fileset": "vm",
          "shards": 16
        }
      ]
    },
    {
      "builders": [
        "vm-linux-debug-simriscv64",
        "vm-linux-debug-x64c",
        "vm-linux-release-simarm",
        "vm-linux-release-simarm64",
        "vm-mac-debug-x64",
        "vm-mac-release-x64",
        "vm-win-debug-x64c"
      ],
      "meta": {
        "description": "This configuration is used by the VM JIT builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--codesigning-identity=-",
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-${system}-${mode}-${arch}",
            "--default-suites",
            "co19"
          ],
          "fileset": "vm",
          "shards": 16
        }
      ]
    },
    {
      "builders": [
        "vm-aot-linux-debug-x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM AOT builders. Includes VM service testing in addition to legacy Observatory service tests.",
        "__comment__": "This configuration should be merged with the other VM AOT builders config below once Observatory is removed."

      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-${system}-${mode}-${arch}",
            "--default-suites",
            "co19",
            "pkg/pkg/vm_service/",
            "service"
          ],
          "fileset": "vm",
          "shards": 20
        }
      ]
    },
    {
      "builders": [
        "vm-aot-linux-release-x64",
        "vm-aot-win-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM AOT builders. Includes VM service testing.",
        "__comment__": "vm-aot-linux-debug-x64 should be added back into this configuration once Observatory is removed."

      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-${system}-${mode}-${arch}",
            "--default-suites",
            "co19",
            "pkg/pkg/vm_service/"
          ],
          "fileset": "vm",
          "shards": 20
        }
      ]
    },
    {
      "builders": [
        "vm-aot-linux-debug-simriscv64",
        "vm-aot-linux-debug-x64c",
        "vm-aot-linux-product-x64",
        "vm-aot-linux-release-simarm64",
        "vm-aot-win-debug-x64",
        "vm-aot-win-debug-x64c",
        "vm-aot-win-product-x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM AOT builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-${system}-${mode}-${arch}",
            "--default-suites",
            "co19"
          ],
          "fileset": "vm",
          "shards": 20
        }
      ]
    },
    {
      "builders": [
        "vm-aot-linux-debug-simarm_x64",
        "vm-aot-linux-release-simarm_x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM AOT builders."
      },
      "steps": [
        {
          "name": "build dart for simarm_x64",
          "script": "tools/build.py",
          "arguments": [
            "gen_snapshot",
            "vm_platform"
          ]
        },
        {
          "name": "build dart for simarm",
          "script": "tools/build.py",
          "arguments": [
            "--arch=simarm",
            "runtime_precompiled"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-${system}-${mode}-${arch}"
          ],
          "fileset": "vm",
          "shards": 8
        }
      ]
    },
    {
      "builders": [
        "vm-aot-mac-release-arm64",
        "vm-aot-mac-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM AOT builders. Without shards because shards are missing XCode. Includes VM service testing."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--codesigning-identity=-",
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-${system}-${mode}-${arch}",
            "--default-suites",
            "pkg/pkg/vm_service/"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-aot-mac-product-arm64"
      ],
      "meta": {
        "description": "This configuration is used by the VM AOT builders. Without shards because shards are missing XCode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--codesigning-identity=-",
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-${system}-${mode}-${arch}"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-aot-dwarf-linux-product-x64"
      ],
      "meta": {
        "description": "This configuration is used by the vm kernel precomp builders with dwarf stack traces."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-dwarf-${system}-${mode}-${arch}"
          ],
          "fileset": "vm",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-aot-obfuscate-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the obfuscated vm kernel precomp builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-obfuscate-${system}-${mode}-${arch}"
          ],
          "fileset": "vm",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-asan-linux-release-x64",
        "vm-msan-linux-release-x64",
        "vm-tsan-linux-release-x64",
        "vm-ubsan-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM/JIT builders with sanitizers."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-${sanitizer}-${system}-${mode}-${arch}"
          ],
          "fileset": "vm",
          "shards": 8
        }
      ]
    },
    {
      "builders": [
        "vm-aot-asan-linux-release-x64",
        "vm-aot-msan-linux-release-x64",
        "vm-aot-tsan-linux-release-x64",
        "vm-aot-ubsan-linux-release-x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM/AOT builders with sanitizers."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-${sanitizer}-${system}-${mode}-${arch}"
          ],
          "fileset": "vm",
          "shards": 12
        }
      ]
    },
    {
      "builders": [
        "vm-gcc-linux"
      ],
      "meta": {
        "description": "This configuration builds the VM with GCC."
      },
      "steps": [
        {
          "name": "build dart debug ia32",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug",
            "--arch=ia32",
            "--no-clang",
            "runtime"
          ]
        },
        {
          "name": "build dart debug x64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug",
            "--arch=x64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "build dart debug riscv64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug",
            "--arch=riscv64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "build dart release ia32",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=ia32",
            "--no-clang",
            "runtime"
          ]
        },
        {
          "name": "build dart release x64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=x64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "build dart release riscv64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=riscv64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-msvc-windows"
      ],
      "meta": {
        "description": "This configuration builds the VM with MSVC."
      },
      "steps": [
        {
          "name": "build dart debug arm64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug",
            "--arch=arm64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "build dart release arm64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=arm64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "build dart product arm64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=product",
            "--arch=arm64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "build dart debug x64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug",
            "--arch=x64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "build dart release x64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=x64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "build dart product x64",
          "script": "tools/build.py",
          "arguments": [
            "--mode=product",
            "--arch=x64",
            "--no-clang",
            "runtime",
            "runtime_precompiled"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-checked-mac-release-arm64"
      ],
      "meta": {
        "description": "This configuration is for the VM in checked mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-checked-${system}-${mode}-${arch}"
          ],
          "fileset": "vm",
          "shards": 4
        }
      ]
    },
    {
      "builders": [
        "vm-fuchsia-release-x64"
      ],
      "meta": {
        "description": "This configuration is for the VM fuchsia builder."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--os=fuchsia",
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-${system}-${mode}-${arch}",
            "-j4",
            "ffi"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-fuchsia-release-arm64"
      ],
      "meta": {
        "description": "This configuration is for the VM fuchsia builder."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--os=fuchsia",
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-${system}-${mode}-${arch}",
            "-j1",
            "ffi"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-linux-release-arm64"
      ],
      "meta": {
        "description": "This configuration is for the ARM64 JIT builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-${system}-${mode}-${arch}"
          ],
          "fileset": "vm",
          "shards": 4
        }
      ]
    },
    {
      "builders": [
        "vm-aot-linux-release-arm64"
      ],
      "meta": {
        "description": "This configuration is for the ARM64 AOT builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "dart_precompiled_runtime",
            "gen_snapshot",
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-${system}-${mode}-${arch}"
          ],
          "fileset": "vm",
          "shards": 4
        }
      ]
    },
    {
      "builders": [
        "vm-win-debug-arm64",
        "vm-win-release-arm64"
      ],
      "meta": {
        "description": "This configuration is for the ARM64 JIT builders, no shards.",
        "__comment__": "--no-clang because Clang is inconsisent about varargs: dartbug.com/52644"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--no-clang",
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-${system}-${mode}-${arch}",
            "corelib",
            "ffi",
            "lib",
            "samples",
            "service",
            "standalone",
            "utils",
            "vm"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-aot-win-debug-arm64",
        "vm-aot-win-release-arm64"
      ],
      "meta": {
        "description": "This configuration is for the ARM64 AOT builders, no shards.",
        "__comment__": "--no-clang because Clang is inconsisent about varargs: dartbug.com/52644"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--no-clang",
            "dart_precompiled_runtime",
            "gen_snapshot",
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-${system}-${mode}-${arch}",
            "corelib",
            "ffi",
            "lib",
            "samples",
            "service",
            "standalone",
            "utils",
            "vm"
          ]
        }
      ]
    },
    {
      "builders": [
        "vm-appjit-linux-debug-x64",
        "vm-appjit-linux-release-x64",
        "vm-appjit-linux-product-x64"
      ],
      "meta": {
        "description": "This configuration is used by the VM AppJIT builder group."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-appjit-${system}-${mode}-${arch}"
          ],
          "shards": 6,
          "fileset": "vm"
        }
      ]
    },
    {
      "builders": [
        "ddc-linux-chrome",
        "ddc-win-chrome"
      ],
      "meta": {
        "description": "DDC running in Chrome on Linux and Windows."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "dart2js_bot",
            "ddc_stable_test"
          ]
        },
        {
          "name": "ddc sdk tests",
          "arguments": [
            "-nddc-${system}-chrome",
            "co19",
            "corelib",
            "dartdevc",
            "language",
            "lib",
            "web"
          ],
          "shards": 12,
          "fileset": "js_platform"
        },
        {
          "name": "ddc modular tests",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "testRunner": true,
          "arguments": [
            "pkg/dev_compiler/test/modular_suite.dart",
            "-nddc-${system}-chrome",
            "--verbose",
            "--use-sdk"
          ]
        },
        {
          "name": "ddc hot reload tests",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "testRunner": true,
          "arguments": [
            "pkg/dev_compiler/test/hot_reload_suite.dart",
            "-nddc-${system}-chrome",
            "--verbose"
          ]
        },
        {
          "name": "ddc sourcemap tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc sourcemap stacktrace tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc worker tests",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/dev_compiler/test/worker/worker_test.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc self host test",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "arguments": [
            "--enable-asserts",
            "pkg/dev_compiler/bin/dartdevc.dart",
            "--sound-null-safety",
            "-o",
            "out/ReleaseX64/dartdevc.js",
            "pkg/dev_compiler/bin/dartdevc.dart"
          ]
        },
        {
          "name": "ddc unit tests",
          "arguments": [
            "-nweb-dev-unittest-asserts-${system}",
            "pkg//dev_compiler/"
          ]
        }
      ]
    },
    {
      "builders": [
        "ddc-mac-chrome"
      ],
      "meta": {
        "description": "DDC running in Chrome on Mac."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--arch=arm64",
            "dart2js_bot",
            "ddc_stable_test"
          ]
        },
        {
          "name": "ddc sdk tests",
          "arguments": [
            "-nddc-mac-chrome",
            "--arch=arm64",
            "corelib",
            "dartdevc",
            "language",
            "lib",
            "web"
          ],
          "shards": 6,
          "fileset": "js_platform"
        },
        {
          "name": "ddc modular tests",
          "script": "xcodebuild/ReleaseARM64/dart-sdk/bin/dart",
          "testRunner": true,
          "arguments": [
            "pkg/dev_compiler/test/modular_suite.dart",
            "-nddc-mac-chrome",
            "--verbose",
            "--use-sdk"
          ]
        },
        {
          "name": "ddc hot reload tests",
          "script": "xcodebuild/ReleaseARM64/dart-sdk/bin/dart",
          "testRunner": true,
          "arguments": [
            "pkg/dev_compiler/test/hot_reload_suite.dart",
            "-nddc-mac-chrome",
            "--verbose"
          ]
        },
        {
          "name": "ddc sourcemap tests",
          "script": "xcodebuild/ReleaseARM64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/sourcemaps_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc sourcemap stacktrace tests",
          "script": "xcodebuild/ReleaseARM64/dart",
          "arguments": [
            "pkg/dev_compiler/test/sourcemap/stacktrace_suite.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc worker tests",
          "script": "xcodebuild/ReleaseARM64/dart",
          "arguments": [
            "pkg/dev_compiler/test/worker/worker_test.dart",
            "-rnone"
          ]
        },
        {
          "name": "ddc self host test",
          "script": "xcodebuild/ReleaseARM64/dart-sdk/bin/dart",
          "arguments": [
            "--enable-asserts",
            "pkg/dev_compiler/bin/dartdevc.dart",
            "--sound-null-safety",
            "-o",
            "xcodebuild/ReleaseARM64/dartdevc.js",
            "pkg/dev_compiler/bin/dartdevc.dart"
          ]
        },
        {
          "name": "ddc unit tests",
          "arguments": [
            "-nweb-dev-unittest-asserts-mac",
            "pkg//dev_compiler/"
          ]
        }
      ]
    },
    {
      "builders": [
        "ddc-linux-firefox"
      ],
      "meta": {
        "description": "DDC running in Firefox on Linux ."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "dart2js_bot",
            "ddc_stable_test"
          ]
        },
        {
          "name": "ddc sdk tests",
          "arguments": [
            "-nddc-${system}-firefox",
            "corelib",
            "dartdevc",
            "language",
            "lib",
            "web"
          ],
          "shards": 6,
          "fileset": "js_platform"
        },
        {
          "name": "ddc co19 tests",
          "arguments": [
            "-nddc-${system}-firefox",
            "co19"
          ],
          "shards": 6,
          "fileset": "js_platform"
        }
      ]
    },
    {
      "builders": [
        "ddc-linux-chrome-unsound"
      ],
      "meta": {
        "description": "DDC without sound null safety running in Chrome on Linux."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "ddc_stable_test"
          ]
        },
        {
          "name": "ddc sdk tests unsound",
          "arguments": [
            "-nddc-linux-chrome-unsound",
            "co19",
            "corelib",
            "dartdevc",
            "language",
            "lib",
            "web"
          ],
          "shards": 12,
          "fileset": "js_platform"
        },
        {
          "name": "ddc modular tests unsound",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "testRunner": true,
          "arguments": [
            "pkg/dev_compiler/test/modular_suite_unsound.dart",
            "-nddc-linux-chrome-unsound",
            "--verbose",
            "--use-sdk"
          ]
        }
      ]
    },
    {
      "builders": [
        "ddc-canary-linux-chrome"
      ],
      "meta": {
        "description": "DDC in canary mode running in Chrome on Linux."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "ddc_canary_test"
          ]
        },
        {
          "name": "ddc sdk tests",
          "arguments": [
            "-nddc-canary-linux-chrome",
            "corelib",
            "dartdevc",
            "language",
            "lib",
            "web"
          ],
          "shards": 6,
          "fileset": "js_platform"
        },
        {
          "name": "ddc sdk tests unsound",
          "arguments": [
            "-nddc-canary-linux-chrome-unsound",
            "corelib",
            "dartdevc",
            "language",
            "lib",
            "web"
          ],
          "shards": 6,
          "fileset": "js_platform"
        },
        {
          "name": "ddc co19 tests",
          "arguments": [
            "-nddc-canary-linux-chrome",
            "co19"
          ],
          "shards": 6,
          "fileset": "js_platform"
        },
        {
          "name": "ddc co19 tests unsound",
          "arguments": [
            "-nddc-canary-linux-chrome-unsound",
            "co19"
          ],
          "shards": 6,
          "fileset": "js_platform"
        },
        {
          "name": "ddc modular tests unsound",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "testRunner": true,
          "arguments": [
            "pkg/dev_compiler/test/modular_suite_canary_unsound.dart",
            "-nddc-canary-linux-chrome-unsound",
            "--verbose",
            "--use-sdk"
          ]
        },
        {
          "name": "ddc unit tests",
          "arguments": [
            "-nweb-dev-canary-unittest-asserts-linux",
            "pkg//dev_compiler/"
          ]
        }
      ]
    },
    {
      "builders": [
        "ddc-hostasserts-linux-d8"
      ],
      "meta": {
        "description": "DDC with assertions during compilation running in d8"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "dart2js_bot",
            "ddc_stable_test"
          ]
        },
        {
          "name": "ddc sdk tests",
          "arguments": [
            "-nddc-hostasserts-linux-d8",
            "co19",
            "corelib",
            "dartdevc",
            "language",
            "lib",
            "web"
          ],
          "shards": 12,
          "fileset": "js_platform_hostasserts"
        }
      ]
    },
    {
      "builders": [
        "vm-eager-optimization-linux-release-ia32",
        "vm-eager-optimization-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for the VM builders with a lower optimization counter threshold."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-eager-optimization-linux-release-${arch}",
            "corelib",
            "ffi",
            "language",
            "lib",
            "samples",
            "standalone",
            "utils",
            "vm"
          ],
          "fileset": "vm",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-aot-optimization-level-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for the VM builders with a more aggressive optimization."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "runtime_precompiled"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-aot-optimization-level-linux-release-${arch}",
            "corelib",
            "ffi",
            "language",
            "lib",
            "samples",
            "standalone",
            "utils",
            "vm"
          ],
          "fileset": "vm",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-reload-linux-debug-x64",
        "vm-reload-linux-release-x64"
      ],
      "meta": {
        "description": "This is the configuration for the kernel hot reload builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-reload-${system}-${mode}-${arch}",
            "corelib",
            "ffi",
            "language",
            "lib",
            "samples",
            "standalone",
            "utils",
            "vm"
          ],
          "fileset": "vm",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "vm-reload-rollback-linux-debug-x64",
        "vm-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"
          ]
        },
        {
          "name": "vm tests",
          "arguments": [
            "-nvm-reload-rollback-linux-${mode}-${arch}",
            "corelib",
            "ffi",
            "language",
            "lib",
            "samples",
            "standalone",
            "utils",
            "vm"
          ],
          "fileset": "vm",
          "shards": 10
        }
      ]
    },
    {
      "builders": [
        "dart2js-canary-linux"
      ],
      "meta": {
        "description": "dart2js canary mode tests."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "dart2js_bot"
          ]
        },
        {
          "name": "dart2js d8 tests",
          "arguments": [
            "-ndart2js-canary-linux-d8",
            "corelib",
            "language",
            "web"
          ],
          "shards": 6,
          "fileset": "js_platform_hostasserts"
        },
        {
          "name": "dart2js chrome tests",
          "arguments": [
            "-ndart2js-canary-linux-chrome",
            "lib",
            "web"
          ],
          "shards": 3,
          "fileset": "js_platform_hostasserts"
        },
        {
          "name": "dart2js chrome co19 tests",
          "arguments": [
            "-ndart2js-canary-linux-chrome",
            "co19"
          ],
          "shards": 6,
          "fileset": "js_platform_hostasserts"
        }
      ]
    },
    {
      "builders": [
        "dart2js-unit-linux-x64-release"
      ],
      "meta": {
        "description": "Runs the dart2js unit tests."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk"
          ]
        },
        {
          "name": "dart2js unit tests",
          "arguments": [
            "-nweb-unittest-asserts-linux",
            "pkg//compiler/"
          ],
          "shards": 4,
          "fileset": "js_platform"
        },
        {
          "name": "dart2js modular tests",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "testRunner": true,
          "arguments": [
            "pkg/compiler/tool/modular_test_suite.dart",
            "-nweb-unittest-asserts-linux",
            "--verbose",
            "--use-sdk"
          ]
        },
        {
          "name": "js_runtime unit tests",
          "arguments": [
            "-nweb-unittest-asserts-linux",
            "pkg//js_runtime/"
          ]
        }
      ]
    },
    {
      "builders": [
        "dart2js-hostasserts-linux-d8"
      ],
      "meta": {
        "description": "dart2js tests with assertions during compilation"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "dart2js_bot"
          ]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "-ndart2js-hostasserts-linux-d8",
            "co19",
            "corelib",
            "language",
            "lib",
            "pkg/(dart2js_runtime_metrics|expect)",
            "web"
          ],
          "shards": 13,
          "fileset": "js_platform_hostasserts"
        }
      ]
    },
    {
      "builders": [
        "dart2js-linux-chrome",
        "dart2js-linux-firefox",
        "dart2js-win-chrome",
        "dart2js-win-firefox"
      ],
      "meta": {
        "description": "dart2js browser tests"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk"
          ]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "-ndart2js-${system}-${runtime}",
            "co19",
            "corelib",
            "language",
            "lib",
            "pkg/(dart2js_runtime_metrics|expect)",
            "web"
          ],
          "shards": 12,
          "fileset": "js_platform"
        }
      ]
    },
    {
      "builders": [
        "dart2js-mac-chrome",
        "dart2js-mac-safari"
      ],
      "meta": {
        "description": "dart2js browser tests"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--arch=arm64",
            "create_sdk"
          ]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "-ndart2js-${system}-${runtime}",
            "--arch=arm64",
            "corelib",
            "language",
            "lib",
            "pkg/(dart2js_runtime_metrics|expect)",
            "web"
          ],
          "shards": 6,
          "fileset": "js_platform"
        },
        {
          "name": "dart2js co19 tests",
          "arguments": [
            "-ndart2js-${system}-${runtime}",
            "--arch=arm64",
            "co19"
          ],
          "shards": 6,
          "fileset": "js_platform"
        }
      ]
    },
    {
      "builders": [
        "dart2js-minified-linux-d8"
      ],
      "meta": {
        "description": "dart2js minified d8 tests"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk"
          ]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "-ndart2js-minified-linux-d8",
            "corelib",
            "language",
            "lib",
            "pkg/(dart2js_runtime_metrics|expect|js_ast)",
            "web"
          ],
          "shards": 6,
          "fileset": "js_platform"
        },
        {
          "name": "dart2js production tests",
          "arguments": [
            "-ndart2js-production-linux-d8",
            "corelib",
            "language",
            "lib",
            "pkg/(dart2js_runtime_metrics|expect)",
            "web"
          ],
          "shards": 6,
          "fileset": "js_platform"
        },
        {
          "name": "dart2js -O0 smoke tests",
          "arguments": [
            "-ndart2js-o0-linux-d8",
            "web"
          ]
        },
        {
          "name": "dart2js hostasserts fragment merging tests",
          "arguments": [
            "-ndart2js-hostasserts-minified-fragments-linux-d8",
            "web/deferred/"
          ]
        }
      ]
    },
    {
      "builders": [
        "dart2js-minified-csp-linux-chrome"
      ],
      "meta": {
        "description": "dart2js tests in csp and minified mode."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk"
          ]
        },
        {
          "name": "dart2js tests",
          "arguments": [
            "-ndart2js-minified-csp-linux-chrome",
            "corelib",
            "language",
            "lib",
            "observatory_ui",
            "pkg/(dart2js_runtime_metrics|expect)",
            "web"
          ],
          "shards": 6,
          "fileset": "js_platform"
        }
      ]
    },
    {
      "builders": [
        "dart2js-hostasserts-linux-unsound"
      ],
      "meta": {
        "description": "dart2js unsound tests with assertions during compilation"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "dart2js_bot"
          ]
        },
        {
          "name": "dart2js d8 tests",
          "arguments": [
            "-ndart2js-hostasserts-linux-d8-unsound",
            "corelib",
            "language"
          ],
          "shards": 4,
          "fileset": "js_platform_hostasserts"
        },
        {
          "name": "dart2js chrome tests",
          "arguments": [
            "-ndart2js-hostasserts-linux-chrome-unsound",
            "co19",
            "lib",
            "pkg/(dart2js_runtime_metrics|expect)",
            "web"
          ],
          "shards": 10,
          "fileset": "js_platform_hostasserts"
        }
      ]
    },
    {
      "builders": [
        "dart2wasm-linux-chrome",
        "dart2wasm-linux-d8",
        "dart2wasm-linux-firefox"
      ],
      "meta": {
        "description": "dart2wasm tests"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "dart2wasm"
          ]
        },
        {
          "name": "dart2wasm tests",
          "arguments": [
            "-ndart2wasm-linux-${runtime}",
            "co19",
            "corelib",
            "language",
            "lib",
            "web"
          ],
          "shards": 8,
          "fileset": "dart2wasm_hostasserts"
        }
      ]
    },
    {
      "builders": [
        "dart2wasm-linux-optimized-jsc"
      ],
      "meta": {
        "description": "dart2wasm tests"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "dart2wasm",
            "create_sdk"
          ]
        },
        {
          "name": "dart2wasm tests",
          "arguments": [
            "-ndart2wasm-linux-optimized-${runtime}",
            "co19",
            "corelib",
            "language",
            "lib",
            "web"
          ],
          "shards": 8,
          "fileset": "dart2wasm_hostasserts"
        }
      ]
    },
    {
      "builders": [
        "dart2wasm-linux-jscm-chrome"
      ],
      "meta": {
        "description": "dart2wasm JS compatibility tests"
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "runtime",
            "dart2wasm"
          ]
        },
        {
          "name": "dart2wasm tests",
          "arguments": [
            "-ndart2wasm-linux-jscm-${runtime}",
            "co19",
            "corelib",
            "language",
            "lib",
            "web"
          ],
          "shards": 8,
          "fileset": "dart2wasm_hostasserts"
        }
      ]
    },
    {
      "builders": [
        "analyzer-linux-release",
        "analyzer-mac-release"
      ],
      "meta": {
        "description": "This configuration is used by the analyzer builders."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "utils/dartanalyzer"
          ]
        },
        {
          "name": "unit tests",
          "arguments": [
            "-nanalyzer-unittest-asserts-${mode}-${system}",
            "pkg/(analyzer|analysis_server|analysis_server_plugin|analyzer_cli|analyzer_plugin)"
          ],
          "shards": 9,
          "fileset": "analyzer_unit_tests"
        },
        {
          "name": "analyze tests enable-asserts",
          "arguments": [
            "-nanalyzer-asserts-${system}"
          ]
        },
        {
          "name": "analyze co19 and pkg tests enable-asserts",
          "arguments": [
            "-nanalyzer-asserts-${system}",
            "co19",
            "pkg"
          ]
        }
      ]
    },
    {
      "builders": [
        "analyzer-win-release"
      ],
      "meta": {
        "description": "This configuration is used by the analyzer windows builder."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "utils/dartanalyzer"
          ]
        },
        {
          "name": "analyzer unit tests",
          "arguments": [
            "-nanalyzer-unittest-asserts-${mode}-${system}",
            "pkg/analyzer"
          ],
          "shards": 4,
          "fileset": "analyzer_unit_tests"
        },
        {
          "name": "analysis_server unit tests",
          "arguments": [
            "-nanalyzer-unittest-asserts-${mode}-${system}",
            "pkg/analysis_server"
          ],
          "shards": 4,
          "fileset": "analyzer_unit_tests"
        },
        {
          "name": "analyze tests enable-asserts",
          "arguments": [
            "-nanalyzer-asserts-${system}"
          ]
        },
        {
          "name": "analyze pkg tests enable-asserts",
          "arguments": [
            "-nanalyzer-asserts-${system}",
            "pkg"
          ]
        },
        {
          "name": "analyzer_cli unit tests",
          "arguments": [
            "-nanalyzer-unittest-asserts-${mode}-${system}",
            "pkg/analyzer_cli"
          ]
        },
        {
          "name": "analyzer_plugin unit tests",
          "arguments": [
            "-nanalyzer-unittest-asserts-${mode}-${system}",
            "pkg/analyzer_plugin"
          ]
        },
        {
          "name": "benchmark analysis server",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "arguments": [
            "pkg/analysis_server/benchmark/perf/benchmark_uploader.dart"
          ]
        }
      ]
    },
    {
      "builders": [
        "analyzer-analysis-server-linux"
      ],
      "meta": {
        "description": "Analyze repository packages."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "utils/dartanalyzer"
          ]
        },
        {
          "name": "analyze runtime/tools/dartfuzz",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "arguments": [
            "analyze",
            "--suppress-analytics",
            "runtime/tools/dartfuzz"
          ]
        },
        {
          "name": "analyze runtime/tests/concurrency/generate_stress_test.dart",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "arguments": [
            "analyze",
            "--suppress-analytics",
            "runtime/tests/concurrency/generate_stress_test.dart"
          ]
        },
        {
          "name": "analyze runtime/tests/concurrency/run_stress_test_shards.dart",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "arguments": [
            "analyze",
            "--suppress-analytics",
            "runtime/tests/concurrency/run_stress_test_shards.dart"
          ]
        },
        {
          "name": "analyze runtime/observatory",
          "script": "out/ReleaseX64/dart-sdk/bin/dart",
          "arguments": [
            "analyze",
            "--suppress-analytics",
            "runtime/observatory"
          ]
        },
        {
          "_comment": "This uses analyzer_cli which is deprecated.",
          "name": "dartanalyzer --batch tests",
          "arguments": [
            "-nanalyzer-${system}"
          ]
        },
        {
          "_comment": "This uses analyzer_cli which is deprecated.",
          "name": "dartanalyzer --batch pkg tests",
          "arguments": [
            "-nanalyzer-${system}",
            "pkg"
          ]
        }
      ]
    },
    {
      "builders": [
        "pkg-linux-debug",
        "pkg-linux-release",
        "pkg-linux-release-arm64",
        "pkg-mac-release",
        "pkg-mac-release-arm64",
        "pkg-win-release"
      ],
      "meta": {
        "description": "This configuration is used by the pkg builders."
      },
      "steps": [
        {
          "name": "validate pkg/ pubspec files",
          "script": "tools/sdks/dart-sdk/bin/dart",
          "arguments": [
            "tools/package_deps/bin/package_deps.dart"
          ]
        },
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "dartanalyzer",
            "ddc_stable_test"
          ]
        },
        {
          "name": "validate SDK API docs",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "doc",
            "--sdk-docs",
            "--dry-run",
            "--verbose"
          ]
        },
        {
          "name": "validate SDK API doc code samples",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "tools/verify_docs/bin/verify_docs.dart",
            "dart:_http",
            "dart:_internal",
            "dart:_wasm",
            "dart:cli",
            "dart:convert",
            "dart:developer",
            "dart:ffi",
            "dart:isolate",
            "dart:js",
            "dart:js_util",
            "dart:math",
            "dart:mirrors"
          ]
        },
        {
          "name": "validate SDK API data-driven fixes",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "fix",
            "--suppress-analytics",
            "--compare-to-golden",
            "tests/lib/fix_data_tests"
          ]
        },
        {
          "name": "analyze pkg/",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "analyze",
            "--suppress-analytics",
            "--fatal-infos",
            "pkg"
          ]
        },
        {
          "name": "third_party tested packages",
          "arguments": [
            "-nunittest-asserts-${mode}-${system}-${arch}",
            "dart_style",
            "native_assets_builder",
            "native_assets_cli",
            "native_toolchain_c",
            "package_config",
            "pkg/pkg/dartdev/test/native_assets"
          ]
        },
        {
          "name": "pub integration tests",
          "script": "tools/bots/pub_integration_test.py",
          "arguments": [
            "--mode=${mode}",
            "--arch=${arch}"
          ]
        },
        {
          "name": "analyze tools/",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "analyze",
            "--suppress-analytics",
            "--fatal-infos",
            "tools"
          ]
        },
        {
          "name": "package unit tests and macro build tests",
          "arguments": [
            "-nunittest-asserts-${mode}-${system}-${arch}",
            "pkg/pkg/(?!(analyzer*|analysis_server|analysis_server_plugin|compiler|dev_compiler|js_runtime|front_end|kernel|frontend_server|nnbd_migration|dartdev/test/native_assets|vm_service)/)",
            "macro_build"
          ],
          "shards": 3,
          "fileset": "vm"
        }
      ]
    },
    {
      "builders": [
        "pkg-win-release-arm64"
      ],
      "meta": {
          "description": "This configuration is used by the pkg builders, no shards."
      },
      "steps": [
        {
          "name": "validate pkg/ pubspec files",
          "script": "tools/sdks/dart-sdk/bin/dart",
          "arguments": [
            "tools/package_deps/bin/package_deps.dart"
          ]
        },
        {
          "name": "build dart - step 1 - divided to avoid timeout",
          "script": "tools/build.py",
          "arguments": [
            "runtime"
          ]
        },
        {
          "name": "build dart - step 2 - divided to avoid timeout",
          "script": "tools/build.py",
          "arguments": [
            "create_sdk",
            "ddc_stable_test"
          ]
        },
        {
          "name": "validate SDK API docs",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "doc",
            "--sdk-docs",
            "--dry-run",
            "--verbose"
          ]
        },
        {
          "name": "validate SDK API doc code samples",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "tools/verify_docs/bin/verify_docs.dart",
            "dart:_http",
            "dart:_internal",
            "dart:_wasm",
            "dart:cli",
            "dart:convert",
            "dart:developer",
            "dart:ffi",
            "dart:isolate",
            "dart:js",
            "dart:js_util",
            "dart:math",
            "dart:mirrors"
          ]
        },
        {
          "name": "validate SDK API data-driven fixes",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "fix",
            "--suppress-analytics",
            "--compare-to-golden",
            "tests/lib/fix_data_tests"
          ]
        },
        {
          "name": "analyze pkg/",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "analyze",
            "--suppress-analytics",
            "--fatal-infos",
            "pkg"
          ]
        },
        {
          "name": "third_party tested packages",
          "arguments": [
            "-nunittest-asserts-${mode}-${system}-${arch}",
            "dart_style",
            "native_assets_builder",
            "native_assets_cli",
            "native_toolchain_c",
            "package_config",
            "pkg/pkg/dartdev/test/native_assets"
          ]
        },
        {
          "name": "pub integration tests",
          "script": "tools/bots/pub_integration_test.py",
          "arguments": [
            "--mode=${mode}",
            "--arch=${arch}"
          ]
        },
        {
          "name": "analyze tools/",
          "script": "${build_root}/dart-sdk/bin/dart",
          "arguments": [
            "analyze",
            "--suppress-analytics",
            "--fatal-infos",
            "tools"
          ]
        },
        {
          "name": "package unit tests",
          "arguments": [
            "-nunittest-asserts-${mode}-${system}-${arch}",
            "pkg/pkg/(?!(analyzer*|analysis_server|analysis_server_plugin|compiler|dev_compiler|js_runtime|front_end|kernel|frontend_server|nnbd_migration|dartdev/test/native_assets|vm_service)/)"
          ]
        }
      ]
    },
    {
      "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 linux-ia32 build",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": [
            "clean"
          ]
        },
        {
          "name": "build linux-ia32 for benchmarking",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=ia32",
            "create_sdk",
            "runtime",
            "dart2js_platform.dill",
            "dart2js_platform_unsound.dill",
            "kernel-service.dart.snapshot"
          ]
        },
        {
          "name": "archive linux-ia32 for benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": [
            "linux-ia32-archive"
          ]
        },
        {
          "name": "try linux-ia32 benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": [
            "linux-ia32-benchmark"
          ]
        },
        {
          "name": "remove out directory to do a clean linux-x64 build",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": [
            "clean"
          ]
        },
        {
          "name": "build linux-x64 for benchmarking",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=x64",
            "create_sdk",
            "runtime",
            "gen_snapshot",
            "dart_precompiled_runtime",
            "dart2js_platform.dill",
            "dart2js_platform_unsound.dill",
            "kernel-service.dart.snapshot",
            "ddc_stable_test",
            "ddc_canary_test",
            "dart2wasm_benchmark"
          ]
        },
        {
          "name": "archive linux-x64 for benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": [
            "linux-x64-archive"
          ]
        },
        {
          "name": "try linux-x64 benchmarking",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": [
            "linux-x64-benchmark"
          ]
        },
        {
          "name": "remove out directory",
          "script": "tools/bots/try_benchmarks.sh",
          "arguments": [
            "clean"
          ]
        }
      ]
    },
    {
      "builders": [
        "flutter-analyze"
      ],
      "meta": {
        "description": "This configuration is used for analyzing flutter."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=x64",
            "create_sdk"
          ]
        },
        {
          "name": "analyze flutter/engine",
          "script": "tools/bots/flutter/analyze_flutter_engine.sh"
        },
        {
          "name": "analyze flutter/flutter",
          "script": "tools/bots/flutter/analyze_flutter_flutter.sh"
        },
        {
          "name": "analyze flutter/packages",
          "script": "tools/bots/flutter/analyze_flutter_packages.sh"
        }
      ]
    },
    {
      "builders": [
        "flutter-frontend"
      ],
      "meta": {
        "description": "This configuration is used for running frontend tests on flutter code."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=x64",
            "create_sdk"
          ]
        },
        {
          "name": "compile flutter tests",
          "script": "tools/bots/flutter/compile_flutter.sh",
          "testRunner": true,
          "arguments": [
            "-nflutter-frontend"
          ]
        }
      ]
    },
    {
      "builders": [
        "frontend-weekly"
      ],
      "meta": {
        "description": "This configuration is used for running slow frontend tests for instance weekly."
      },
      "steps": [
        {
          "name": "build dart",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=x64",
            "create_sdk",
            "ddc_stable_unsound_sdk"
          ]
        },
        {
          "name": "run tests",
          "script": "tools/bots/flutter/compile_flutter.sh",
          "arguments": [
            "--weeklyTest"
          ]
        }
      ]
    },
    {
      "builders": [
        "fuzz-linux"
      ],
      "meta": {
        "description": "This configuration is used for fuzz testing."
      },
      "steps": [
        {
          "name": "build dart (x64)",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug,release",
            "--arch=x64,x64c",
            "runtime",
            "dart_precompiled_runtime",
            "dart2js_platform.dill"
          ]
        },
        {
          "name": "build dart (arm64)",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug,release",
            "--arch=simarm64,simarm64c",
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "build dart (riscv)",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug,release",
            "--arch=simriscv32,simriscv64",
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "build dart (ia32)",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug,release",
            "--arch=ia32",
            "runtime"
          ]
        },
        {
          "name": "build dart (arm)",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug,release",
            "--arch=simarm",
            "runtime"
          ]
        },
        {
          "name": "dartfuzz - generated programs",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "runtime/tools/dartfuzz/dartfuzz_test.dart",
            "--isolates",
            "8",
            "--no-show-stats",
            "--time",
            "2700"
          ],
          "shards": 50,
          "fileset": "fuzzer"
        },
        {
          "name": "dartfuzz - flags",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "runtime/tools/dartfuzz/flag_fuzzer.dart"
          ],
          "shards": 50,
          "fileset": "fuzzer"
        }
      ]
    },
    {
      "builders": [
        "iso-stress-linux"
      ],
      "meta": {
        "description": "This configuration is used for isolate stress testing."
      },
      "steps": [
        {
          "name": "Build Dart VM - JIT and AOT",
          "script": "tools/build.py",
          "arguments": [
            "--mode=debug,release",
            "--arch=x64",
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "Build Dart VM - JIT and AOT (Release TSAN)",
          "script": "tools/build.py",
          "arguments": [
            "--mode=release",
            "--arch=x64",
            "--sanitizer=tsan",
            "runtime",
            "dart_precompiled_runtime"
          ]
        },
        {
          "name": "Generate Isolate Stress Test",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "runtime/tests/concurrency/generate_stress_test.dart"
          ]
        },
        {
          "name": "Generate Isolate Stress Test - JIT Dill",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/vm/bin/gen_kernel.dart",
            "--platform=out/ReleaseX64/vm_platform_strong.dill",
            "--no-aot",
            "-Dtest_runner.configuration=vm-linux-release-x64",
            "-o",
            "runtime/tests/concurrency/generated_stress_test.dart.jit.dill",
            "runtime/tests/concurrency/generated_stress_test.dart"
          ]
        },
        {
          "name": "Generate Isolate Stress Test - AOT Dill",
          "script": "out/ReleaseX64/dart",
          "arguments": [
            "pkg/vm/bin/gen_kernel.dart",
            "--platform=out/ReleaseX64/vm_platform_strong.dill",
            "--aot",
            "-Dtest_runner.configuration=vm-aot-linux-release-x64",
            "-o",
            "runtime/tests/concurrency/generated_stress_test.dart.aot.dill",
            "runtime/tests/concurrency/generated_stress_test.dart"
          ]
        },
        {
          "name": "Run Isolate Stress Tests",
          "script": "tools/run_with_coredumps_enabled.py",
          "arguments": [
            "out/ReleaseX64/dart",
            "runtime/tests/concurrency/run_stress_test_shards.dart",
            "--copy-coredumps"
          ],
          "shards": 10,
          "fileset": "vm"
        }
      ]
    }
  ],
  "sanitizer_options": {
    "ASAN_OPTIONS": "abort_on_error=1:halt_on_error=1:symbolize=1:disable_coredump=0:handle_segv=0",
    "LSAN_OPTIONS": "abort_on_error=1:halt_on_error=1:symbolize=1:disable_coredump=0:handle_segv=0",
    "MSAN_OPTIONS": "abort_on_error=1:halt_on_error=1:symbolize=1:disable_coredump=0:handle_segv=0",
    "TSAN_OPTIONS": "abort_on_error=1:halt_on_error=1:symbolize=1:disable_coredump=0:handle_segv=0:report_thread_leaks=0",
    "UBSAN_OPTIONS": "abort_on_error=1:halt_on_error=1:symbolize=1:disable_coredump=0:handle_segv=0:print_stacktrace=1"
  },
  "sanitizer_symbolizer": {
    "linux": "buildtools/linux-x64/clang/bin/llvm-symbolizer",
    "macos": "buildtools/mac-x64/clang/bin/llvm-symbolizer",
    "windows": "buildtools/win-x64/clang/bin/llvm-symbolizer.exe"
  }
}