code: @Override
  	public boolean eIsSet(int featureID)
  	{
  		switch (featureID)
  		{
  			case XbasePackage.XMEMBER_FEATURE_CALL__MEMBER_CALL_TARGET:
  				return memberCallTarget != null;
  			case XbasePackage.XMEMBER_FEATURE_CALL__MEMBER_CALL_ARGUMENTS:
  				return memberCallArguments != null && !memberCallArguments.isEmpty();
  			case XbasePackage.XMEMBER_FEATURE_CALL__EXPLICIT_OPERATION_CALL:
  				return explicitOperationCall != EXPLICIT_OPERATION_CALL_EDEFAULT;
  			case XbasePackage.XMEMBER_FEATURE_CALL__EXPLICIT_STATIC:
  				return explicitStatic != EXPLICIT_STATIC_EDEFAULT;
  			case XbasePackage.XMEMBER_FEATURE_CALL__NULL_SAFE:
  				return nullSafe != NULL_SAFE_EDEFAULT;
  			case XbasePackage.XMEMBER_FEATURE_CALL__TYPE_LITERAL:
  				return typeLiteral != TYPE_LITERAL_EDEFAULT;
  			case XbasePackage.XMEMBER_FEATURE_CALL__STATIC_WITH_DECLARING_TYPE:
  				return staticWithDeclaringType != STATIC_WITH_DECLARING_TYPE_EDEFAULT;
  			case XbasePackage.XMEMBER_FEATURE_CALL__PACKAGE_FRAGMENT:
  				return packageFragment != PACKAGE_FRAGMENT_EDEFAULT;
  		}
  		return super.eIsSet(featureID);
  	}
docs: <!-- begin-user-doc -->
  <!-- end-user-doc -->
  @generated