public AbstractResponse responseBody() {
        return responseBody;
    }
@param requestHeader The header of the corresponding request
@param callback The callback to be invoked
@param destination The node the corresponding request was sent to
@param createdTimeMs The unix timestamp when the corresponding request was created
@param receivedTimeMs The unix timestamp when this response was received
@param disconnected Whether the client disconnected before fully reading a response
@param timedOut Whether the client was disconnected because of a timeout; when setting this
                to <code>true</code>, <code>disconnected</code> must be <code>true</code>
                or an {@link IllegalStateException} will be thrown
@param versionMismatch Whether there was a version mismatch that prevented sending the request.
@param responseBody The response contents (or null) if we disconnected, no response was expected,
                    or if there was a version mismatch.
clients/src/main/java/org/apache/kafka/clients/ClientResponse.java