AcknowledgementMiddleware faststream.middlewares.acknowledgement.middleware.AcknowledgementMiddleware # AcknowledgementMiddleware( logger, ack_policy, extra_options ) Source code in faststream/middlewares/acknowledgement/middleware.py 24 25 26 27 28 29 30 31 32def __init__( self, logger: "LoggerState", ack_policy: "AckPolicy", extra_options: dict[str, Any], ) -> None: self.ack_policy = ack_policy self.extra_options = extra_options self.logger = logger ack_policy instance-attribute # ack_policy = ack_policy extra_options instance-attribute # extra_options = extra_options logger instance-attribute # logger = logger