The client API proper: classes and interfaces representing the AMQP connections, channels, and wire-protocol framing descriptors.

Implementations of interfaces specified in the client API, and their supporting classes.

Implementation of connection and topology recovery.

Observability abstractions.

Micrometer-based observability implementation.

Non-core utilities and administration tools.

JSON reader/writer and utility classes.

JSON-RPC client and server classes for supporting JSON-RPC over an AMQP transport.

Utility package of helper classes, mostly used in the implementation code.