if (a_type != Type::Fields) return (getRegexp() != "");
return (a_code != "" || a_bitR != "" || a_hopByHop != "" || a_applicationId != "" || a_sessionId != "" || a_resultCode != "" || a_msisdn != "" || a_imsi != "" || a_serviceContextId != "");
}
if (a_type != Type::Fields) return (getRegexp() != "");
return (a_code != "" || a_bitR != "" || a_hopByHop != "" || a_applicationId != "" || a_sessionId != "" || a_resultCode != "" || a_msisdn != "" || a_imsi != "" || a_serviceContextId != "");
}