public void _write(org.omg.CORBA.portable.OutputStream o) {
   org.omg.SecurityLevel2.ReceivedCredentialsHelper.write(o, value);
 }
 public org.omg.CORBA.TypeCode _type() {
   return org.omg.SecurityLevel2.ReceivedCredentialsHelper.type();
 }
 public void _read(org.omg.CORBA.portable.InputStream i) {
   value = org.omg.SecurityLevel2.ReceivedCredentialsHelper.read(i);
 }