def __init__()

in src/dubbo/protocol/triple/metadata.py [0:0]


    def __init__(self):
        self.scheme: Optional[str] = None
        self.application: Optional[str] = None
        self.service: Optional[str] = None
        self.version: Optional[str] = None
        self.group: Optional[str] = None
        self.address: Optional[str] = None
        self.acceptEncoding: Optional[str] = None
        self.timeout: Optional[str] = None
        self.compressor: Compressor = Identity()
        self.method: Optional[str] = None
        self.attachments: dict[str, Any] = {}