# Package org.apache.synapse.transport.netty.util

- Class Summary
  Class | Description
  --- | ---
  CacheUtils | A utility class for HTTP caching related tasks.
  DeferredMessageBuilder | Class DeferredMessageBuilder contains the tools required to build the payload.
  HttpUtils | Utility class providing HTTP utility methods.
  MessageUtils | Class MessageUtils contains helper methods that are used to build the payload.
  RequestResponseUtils | `RequestResponseUtils` contains utilities used in request and response message flow.

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