}
c = (char) target.read();
expressionStringBuilder.append(c);
FunctionArgument[] argumentArray = FunctionArgument.parseStringToArguments(argumentsBuilder.toString().trim());
FunctionExpressionPredicateCondition predicateCondition = new FunctionExpressionPredicateCondition(functionNameBuilder.toString(), argumentArray);
expressionPredicate.conditions().add(predicateCondition);
} else {
throw new JPathParserException("expression1", 0, target.getPositionNumber(), expressionStringBuilder.toString());