ErrDataAlreadySet data payload already set for PubOptions object.

ErrDelayedPublishUnsupported Delayed publishing not supported.

ErrEmptyTopic empty topic value passed in as argument.

ErrInvalidSubscription invalid Subscription.

ErrMQTypeUnsupported specified message queue type not supported.

ErrNoKafkaQueue no Kafka MQ implementation was provided during dependency injection.

ErrNoLocalQueue no Local MQ implementation was provided during dependency injection.

ErrNoNatsQueue no NATS MQ implementation was provided during dependency injection.

ErrNoNsqQueue no Nsq MQ implementation was provided during dependency injection.

ErrSemanticsAlreadySet delivery semantics already set.

ErrSubscriptionFailure error encountered subscribing to topic.

ErrTopicParse topic string was unable to be parsed.