def METHOD_NAME(
    self,
    *,
    stream_state: Optional[StreamState] = None,
    stream_slice: Optional[StreamSlice] = None,
    next_page_token: Optional[Mapping[str, Any]] = None,
) -> Optional[Mapping[str, Any]]:
    """
    Specifies how to populate the body of the request with a JSON payload.
    At the same time only one of the 'request_body_data' and 'request_body_json' functions can be overridden.
    """