| Package | Description | 
|---|---|
| org.springframework.messaging.simp.config | Configuration support for WebSocket messaging using higher level messaging protocols. | 
| org.springframework.messaging.support | Provides implementations of  Messagealong with
 a MessageBuilder and MessageHeaderAccessor for building and working with messages and
 message headers, as well as variousMessageChannelimplementations and channel interceptor support. | 
| Modifier and Type | Method and Description | 
|---|---|
| AbstractSubscribableChannel | AbstractMessageBrokerConfiguration. brokerChannel() | 
| AbstractSubscribableChannel | AbstractMessageBrokerConfiguration. clientInboundChannel() | 
| AbstractSubscribableChannel | AbstractMessageBrokerConfiguration. clientOutboundChannel() | 
| Modifier and Type | Class and Description | 
|---|---|
| class  | ExecutorSubscribableChannelA  SubscribableChannelthat sends messages to each of its subscribers. |