KClient is the key for client data.

KInflight is the key for inflight messages data.

KRetained is the key for retained messages data.

KServerInfo is the key for server info data.

KSubscription is the key for subscription data.

Client contains client data that can be persistently stored.

FixedHeader contains the fixed header properties of a message.

LWT contains details about a clients LWT payload.

Message contains the details of a retained or inflight message.

MockStore is a mock storage backend for testing.

ServerInfo contains information and statistics about the server.

Subscription contains the details of a topic filter subscription.

Store is an interface which details a persistent storage connector.