{ "foo":
  { "type": ["@", "rules", "CC", "library"]
  , "name": ["foo"]
  , "shared": ["yes"]
  , "hdrs": ["foo.hpp"]
  , "srcs": ["foo.cpp"]
  , "deps": ["bar"]
  , "stage": ["foo"]
  }
, "bar":
  { "type": "configure"
  , "target": "bar (plain)"
  , "config":
    {"type": "singleton_map", "key": "BUILD_OBJECT_ONLY", "value": "true"}
  }
, "bar (plain)":
  { "type": ["@", "rules", "CC", "library"]
  , "name": ["bar"]
  , "hdrs": ["bar.hpp"]
  , "srcs": ["bar.cpp"]
  , "stage": ["bar"]
  }
, "baz":
  { "type": ["@", "rules", "CC", "library"]
  , "name": ["baz"]
  , "shared": ["yes"]
  , "deps": ["bar"]
  , "stage": ["baz"]
  }
, "main":
  { "type": ["@", "rules", "CC", "binary"]
  , "name": ["main"]
  , "srcs": ["main.cpp"]
  , "private-deps": ["foo"]
  }
, "test_main":
  { "type": ["@", "rules", "shell/test", "script"]
  , "name": ["test_main"]
  , "test": ["test_main.sh"]
  , "deps": ["main"]
  }
, "test_main.sh":
  { "type": "file_gen"
  , "name": "test.sh"
  , "data": "set -e\n[ \"$(./main)\" = \"Hello World and Galaxy\" ]"
  }
, "install_main":
  {"type": ["@", "rules", "CC", "install-with-deps"], "targets": ["main"]}
}