code: public void setImplicitReceiver(XExpression newImplicitReceiver)
  	{
  		if (newImplicitReceiver != implicitReceiver)
  		{
  			NotificationChain msgs = null;
  			if (implicitReceiver != null)
  				msgs = ((InternalEObject)implicitReceiver).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - XbasePackage.XABSTRACT_FEATURE_CALL__IMPLICIT_RECEIVER, null, msgs);
  			if (newImplicitReceiver != null)
  				msgs = ((InternalEObject)newImplicitReceiver).eInverseAdd(this, EOPPOSITE_FEATURE_BASE - XbasePackage.XABSTRACT_FEATURE_CALL__IMPLICIT_RECEIVER, null, msgs);
  			msgs = basicSetImplicitReceiver(newImplicitReceiver, msgs);
  			if (msgs != null) msgs.dispatch();
  		}
  		else if (eNotificationRequired())
  			eNotify(new ENotificationImpl(this, Notification.SET, XbasePackage.XABSTRACT_FEATURE_CALL__IMPLICIT_RECEIVER, newImplicitReceiver, newImplicitReceiver));
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated