# Package org.springframework.messaging.simp.annotation.support

Support classes for handling messages from simple messaging protocols (like STOMP).

See: Description

- Class Summary
  Class | Description
  --- | ---
  PrincipalMethodArgumentResolver |
  SendToMethodReturnValueHandler | A `HandlerMethodReturnValueHandler` for sending to destinations specified in a `SendTo` or `SendToUser` method-level annotations.
  SimpAnnotationMethodMessageHandler | A handler for messages delegating to `@MessageMapping` and `@SubscribeMapping` annotated methods.
  SubscriptionMethodReturnValueHandler | A `HandlerMethodReturnValueHandler` for replying directly to a subscription.

- Exception Summary
  Exception | Description
  --- | ---
  MissingSessionUserException |

## Package org.springframework.messaging.simp.annotation.support Description

Support classes for handling messages from simple messaging protocols (like STOMP).