code: public void setType(JvmTypeReference newType)
  	{
  		if (newType != type)
  		{
  			NotificationChain msgs = null;
  			if (type != null)
  				msgs = ((InternalEObject)type).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - XbasePackage.XINSTANCE_OF_EXPRESSION__TYPE, null, msgs);
  			if (newType != null)
  				msgs = ((InternalEObject)newType).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - XbasePackage.XINSTANCE_OF_EXPRESSION__TYPE, null, msgs);
  			msgs = basicSetType(newType, msgs);
  			if (msgs != null) msgs.dispatch();
  		}
  		else if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, XbasePackage.XINSTANCE_OF_EXPRESSION__TYPE, newType, newType));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated