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    "name": "Ensure checkout cache"
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    "cmd": [],
    "name": "Checkout source code"
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    "name": "Checkout source code.Ensure checkout cache",
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    "cmd": [
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      "ENGINE_PATH": "[CACHE]/builder",
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    "name": "Checkout source code.gerrit fetch current CL info",
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      "--revision_mapping_file",
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      "--patch_ref",
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    "name": "Checkout source code.bot_update",
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      "@@@STEP_NEST_LEVEL@1@@@",
      "@@@STEP_TEXT@Some step text@@@",
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      "@@@STEP_LOG_LINE@json.output@      \"repository\": \"https://fake.org/src/flutter.git\", @@@",
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      "@@@STEP_LOG_LINE@json.output@      \"src/flutter\": {@@@",
      "@@@STEP_LOG_LINE@json.output@        \"git_checkout\": {@@@",
      "@@@STEP_LOG_LINE@json.output@          \"repo_url\": \"https://fake.org/src/flutter.git\", @@@",
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      "@@@STEP_LOG_LINE@json.output@{@@@",
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    "cmd": [],
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    "cmd": [],
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      "ENGINE_PATH": "[CACHE]/builder",
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    "name": "teardown goma.ensure bqupload.read manifest",
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      "@@@STEP_LOG_LINE@tool_manifest.json@  \"version\": \"version:pinned-version\"@@@",
      "@@@STEP_LOG_LINE@tool_manifest.json@}@@@",
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    "cmd": [],
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    "name": "teardown goma.ensure bqupload.install path/to/bqupload.ensure package directory",
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    "name": "teardown goma.ensure bqupload.install path/to/bqupload.ensure_installed",
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    "name": "Archive Flutter Engine Test CAS",
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      "ENGINE_PATH": "[CACHE]/builder",
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