docs: @Override
  	public void eUnset(int featureID) {
  		switch (featureID) {
  			case XtextPackage.PARSER_RULE__DEFINES_HIDDEN_TOKENS:
  				setDefinesHiddenTokens(DEFINES_HIDDEN_TOKENS_EDEFAULT);
  				return;
  			case XtextPackage.PARSER_RULE__HIDDEN_TOKENS:
  				getHiddenTokens().clear();
  				return;
  			case XtextPackage.PARSER_RULE__PARAMETERS:
  				getParameters().clear();
  				return;
  			case XtextPackage.PARSER_RULE__FRAGMENT:
  				setFragment(FRAGMENT_EDEFAULT);
  				return;
  			case XtextPackage.PARSER_RULE__WILDCARD:
  				setWildcard(WILDCARD_EDEFAULT);
  				return;
  		}
  		super.eUnset(featureID);
  	}