class AlexaStreaming: streaming_mode = None streaming_enabled = False block_streaming_enabled = False @classmethod def should_stream(cls, estimated_length: int) -> bool: return False @classmethod def build_chunk(cls, text: str, is_final: bool) -> str: return text @classmethod def create_draft_stream_session(cls, session_key: str): return None def get_streaming_mode(self) -> str | None: return None def is_streaming_enabled(self) -> bool: return False def is_block_streaming_enabled(self) -> bool: return False