[
  {
    "cmd": [
      "vpython3",
      "-u",
      "RECIPE_MODULE[recipe_engine::file]/resources/fileutil.py",
      "--json-output",
      "/path/to/tmp/json",
      "copy",
      "{\"bucket\": \"bucket\", \"builder\": \"builder\", \"id\": \"0\", \"number\": \"0\", \"project\": \"project\", \"tags\": []}",
      "[START_DIR]/buildbucket-metadata.json"
    ],
    "infra_step": true,
    "name": "write bb metadata",
    "~followup_annotations": [
      "@@@STEP_LOG_LINE@buildbucket-metadata.json@{\"bucket\": \"bucket\", \"builder\": \"builder\", \"id\": \"0\", \"number\": \"0\", \"project\": \"project\", \"tags\": []}@@@",
      "@@@STEP_LOG_END@buildbucket-metadata.json@@@"
    ]
  },
  {
    "name": "$result"
  }
]