code: @Override
  	public void eUnset(int featureID)
  	{
  		switch (featureID)
  		{
  			case XbasePackage.XMEMBER_FEATURE_CALL__MEMBER_CALL_TARGET:
  				setMemberCallTarget((XExpression)null);
  				return;
  			case XbasePackage.XMEMBER_FEATURE_CALL__MEMBER_CALL_ARGUMENTS:
  				getMemberCallArguments().clear();
  				return;
  			case XbasePackage.XMEMBER_FEATURE_CALL__EXPLICIT_OPERATION_CALL:
  				setExplicitOperationCall(EXPLICIT_OPERATION_CALL_EDEFAULT);
  				return;
  			case XbasePackage.XMEMBER_FEATURE_CALL__EXPLICIT_STATIC:
  				setExplicitStatic(EXPLICIT_STATIC_EDEFAULT);
  				return;
  			case XbasePackage.XMEMBER_FEATURE_CALL__NULL_SAFE:
  				setNullSafe(NULL_SAFE_EDEFAULT);
  				return;
  			case XbasePackage.XMEMBER_FEATURE_CALL__TYPE_LITERAL:
  				setTypeLiteral(TYPE_LITERAL_EDEFAULT);
  				return;
  			case XbasePackage.XMEMBER_FEATURE_CALL__STATIC_WITH_DECLARING_TYPE:
  				setStaticWithDeclaringType(STATIC_WITH_DECLARING_TYPE_EDEFAULT);
  				return;
  			case XbasePackage.XMEMBER_FEATURE_CALL__PACKAGE_FRAGMENT:
  				setPackageFragment(PACKAGE_FRAGMENT_EDEFAULT);
  				return;
  		}
  		super.eUnset(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated