bool wait_for_multiple_responses_; ///< wait_for_multiple_responses_ - False by default, when any response is received for a request
///< it will be removed from the active list. If true, the request will remain active until the timeout
///< clock expires, to allow it to receive multiple response (e.g. to a functional broadcast request).
bool wait_for_multiple_responses_; ///< wait_for_multiple_responses_ - False by default, when any response is received for a request
///< it will be removed from the active list. If true, the request will remain active until the timeout
///< clock expires, to allow it to receive multiple response (e.g. to a functional broadcast request).