| Class | Description | |
|---|---|---|
| DefaultMessage | Default implementation of the Message interface. | |
| DefaultMessageProcessor | Default implementation of the MessageProcessor interface. | |
| DefaultMessageReceiverCache | A cached selection of receivers for a particular message type and its subtypes. | |
| DefaultMessageReceiverRegistry | Default implementation of the MessageReceiverRegistry interface. | |
| DefaultMessageRouter | Default implementation of the MessageRouter interface. | |
| DefaultMessageSettings | Default implementation of the MessageSettings interface. | |
| MessageDispatcher | Represents a reference to a message dispatcher function. | |
| MessageReceiverCollection | A collection of message receivers for a particular message type. | |
| Selector | Represents a metadata tag that can be used to specify a property for a message that can be used as a selector. |