{ "defaults":
  { "type": ["CC/proto", "defaults"]
  , "PROTOC": ["protoc"]
  , "PATH": ["/bin", "/usr/bin"]
  , "deps": ["libprotobuf"]
  }
, "service defaults":
  { "type": ["CC/proto", "defaults"]
  , "base": ["defaults"]
  , "GRPC_PLUGIN": ["/usr/bin/grpc_cpp_plugin"]
  , "deps": ["libgrpc++"]
  }
, "libprotobuf":
  {"type": ["CC/pkgconfig", "system_library"], "name": ["protobuf"]}
, "libgrpc++": {"type": ["CC/pkgconfig", "system_library"], "name": ["grpc++"]}
}