code: public NotificationChain basicSetEquivalent(JvmTypeReference newEquivalent, NotificationChain msgs)
  	{
  		JvmTypeReference oldEquivalent = equivalent;
  		equivalent = newEquivalent;
  		if (eNotificationRequired())
  		{
  			ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, TypesPackage.JVM_SPECIALIZED_TYPE_REFERENCE__EQUIVALENT, oldEquivalent, newEquivalent);
  			if (msgs == null) msgs = notification; else msgs.add(notification);
  		}
  		return msgs;
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated