question: the default implementation does nothing . concode_field_sep PlaceHolder placeHolder concode_field_sep void exitFieldSelectorExpression concode_elem_sep void enterPath concode_elem_sep void enterSelectorExpression concode_elem_sep void enterStepType concode_elem_sep void exitPredicateExpression concode_elem_sep void enterAttributeType concode_elem_sep void exitLocaleExpression concode_elem_sep void exitStepType concode_elem_sep void exitEveryRule concode_elem_sep void enterAttribute concode_elem_sep void exitSelectorExpression concode_elem_sep void enterAttributeValue concode_elem_sep void exitPath concode_elem_sep void enterLocaleExpression concode_elem_sep void exitPredicateAndExpression concode_elem_sep void exitPredicateOrExpression concode_elem_sep void exitAttributeType concode_elem_sep void exitAttribute concode_elem_sep void enterPredicateEqualityExpression concode_elem_sep void exitFieldSelector concode_elem_sep void enterFieldSelectorExpression concode_elem_sep void exitPredicateEqualityExpression concode_elem_sep void enterPredicateExpression concode_elem_sep void enterPredicateAndExpression concode_elem_sep void visitErrorNode concode_elem_sep void exitAttributeValue concode_elem_sep void visitTerminal concode_elem_sep void enterFieldSelector concode_elem_sep void enterPredicateOrExpression
target: void function ( @ NotNull ParserRuleContext arg0 ) { }