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

- Packages that use HandlerMethodReturnValueHandler
  Package | Description
  --- | ---
  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
    Modifier and Type | Method and Description
    --- | ---
    `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
    Modifier and Type | Class and Description
    --- | ---
    `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
    Modifier and Type | Method and Description
    --- | ---
    `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
    Modifier and Type | Method and Description
    --- | ---
    `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
    Modifier and Type | Method and Description
    --- | ---
    `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
    Modifier and Type | Class and Description
    --- | ---
    `class` | `RSocketPayloadReturnValueHandler` Extension of `AbstractEncoderMethodReturnValueHandler` that `handles` encoded content by wrapping data buffers as RSocket payloads and by passing those through the `RSocketPayloadReturnValueHandler.RESPONSE_HEADER` header.

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