org.apache.mina.filter.query

## Interface Response

- All Known Implementing Classes:
    CoapMessage

      public interface Response

  A message which can be possibly a response to a request.
  Author:
    Apache MINA Project

- - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `Object` | `requestId()`

- - ### Method Detail

    - #### requestId

          Object requestId()

      Returns:
        the identifier of the associated request or `null` if none

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