## Uses of Interface
org.springframework.messaging.handler.invocation.reactive.HandlerMethodReturnValueHandler

Packages that use HandlerMethodReturnValueHandler
org.springframework.messaging.handler.annotation.reactive: Support classes for working with annotated message-handling methods with non-blocking, reactive contracts.
org.springframework.messaging.handler.invocation.reactive: Common infrastructure for invoking message handler methods with non-blocking, and reactive contracts.
org.springframework.messaging.rsocket.annotation.support: Support classes for working with annotated RSocket stream handling methods.

### Uses of HandlerMethodReturnValueHandler in org.springframework.messaging.handler.annotation.reactive

Methods in org.springframework.messaging.handler.annotation.reactive that return types with arguments of type HandlerMethodReturnValueHandler
`protected List<? extends HandlerMethodReturnValueHandler>` MessageMappingMessageHandler.`initReturnValueHandlers()`

### Uses of HandlerMethodReturnValueHandler in org.springframework.messaging.handler.invocation.reactive

Classes in org.springframework.messaging.handler.invocation.reactive that implement HandlerMethodReturnValueHandler
`class` `AbstractEncoderMethodReturnValueHandler` Base class for a return value handler that encodes return values to `Flux<DataBuffer>` through the configured `Encoder`s.
`class` `HandlerMethodReturnValueHandlerComposite` A HandlerMethodReturnValueHandler that wraps and delegates to others.

Methods in org.springframework.messaging.handler.invocation.reactive that return types with arguments of type HandlerMethodReturnValueHandler
`List<HandlerMethodReturnValueHandler>` ReturnValueHandlerConfigurer.`getCustomHandlers()`
`List<HandlerMethodReturnValueHandler>` HandlerMethodReturnValueHandlerComposite.`getReturnValueHandlers()` Return a read-only list with the configured handlers.
`protected abstract List<? extends HandlerMethodReturnValueHandler>` AbstractMethodMessageHandler.`initReturnValueHandlers()` Return the list of return value handlers to use.

Methods in org.springframework.messaging.handler.invocation.reactive with parameters of type HandlerMethodReturnValueHandler
`void` ReturnValueHandlerConfigurer.`addCustomHandler(HandlerMethodReturnValueHandler... handlers)` Configure custom return value handlers for handler methods.
`HandlerMethodReturnValueHandlerComposite` HandlerMethodReturnValueHandlerComposite.`addHandler(HandlerMethodReturnValueHandler returnValueHandler)` Add the given `HandlerMethodReturnValueHandler`.

Method parameters in org.springframework.messaging.handler.invocation.reactive with type arguments of type HandlerMethodReturnValueHandler
`HandlerMethodReturnValueHandlerComposite` HandlerMethodReturnValueHandlerComposite.`addHandlers(List<? extends HandlerMethodReturnValueHandler> handlers)` Add the given `HandlerMethodReturnValueHandlers`.

### Uses of HandlerMethodReturnValueHandler in org.springframework.messaging.rsocket.annotation.support

Classes in org.springframework.messaging.rsocket.annotation.support that implement HandlerMethodReturnValueHandler
`class` `RSocketPayloadReturnValueHandler` Extension of `AbstractEncoderMethodReturnValueHandler` that `handles` encoded content by wrapping data buffers as RSocket payloads and by passing those to the `MonoProcessor` from the `RSocketPayloadReturnValueHandler.RESPONSE_HEADER` header.

Methods in org.springframework.messaging.rsocket.annotation.support that return types with arguments of type HandlerMethodReturnValueHandler
`protected List<? extends HandlerMethodReturnValueHandler>` RSocketMessageHandler.`initReturnValueHandlers()`