src/main/java/org/apache/commons/jxpath/ri/parser/XPathParser.java [1138:1169]:
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    case FUNCTION_LAST:
    case FUNCTION_POSITION:
    case FUNCTION_COUNT:
    case FUNCTION_ID:
    case FUNCTION_KEY:
    case FUNCTION_LOCAL_NAME:
    case FUNCTION_NAMESPACE_URI:
    case FUNCTION_NAME:
    case FUNCTION_STRING:
    case FUNCTION_CONCAT:
    case FUNCTION_STARTS_WITH:
    case FUNCTION_ENDS_WITH:
    case FUNCTION_CONTAINS:
    case FUNCTION_SUBSTRING_BEFORE:
    case FUNCTION_SUBSTRING_AFTER:
    case FUNCTION_SUBSTRING:
    case FUNCTION_STRING_LENGTH:
    case FUNCTION_NORMALIZE_SPACE:
    case FUNCTION_TRANSLATE:
    case FUNCTION_BOOLEAN:
    case FUNCTION_NOT:
    case FUNCTION_TRUE:
    case FUNCTION_FALSE:
    case FUNCTION_NULL:
    case FUNCTION_LANG:
    case FUNCTION_NUMBER:
    case FUNCTION_SUM:
    case FUNCTION_FLOOR:
    case FUNCTION_CEILING:
    case FUNCTION_ROUND:
    case FUNCTION_FORMAT_NUMBER:
    case NCName:
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src/main/java/org/apache/commons/jxpath/ri/parser/XPathParser.java [1794:1825]:
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    case FUNCTION_LAST:
    case FUNCTION_POSITION:
    case FUNCTION_COUNT:
    case FUNCTION_ID:
    case FUNCTION_KEY:
    case FUNCTION_LOCAL_NAME:
    case FUNCTION_NAMESPACE_URI:
    case FUNCTION_NAME:
    case FUNCTION_STRING:
    case FUNCTION_CONCAT:
    case FUNCTION_STARTS_WITH:
    case FUNCTION_ENDS_WITH:
    case FUNCTION_CONTAINS:
    case FUNCTION_SUBSTRING_BEFORE:
    case FUNCTION_SUBSTRING_AFTER:
    case FUNCTION_SUBSTRING:
    case FUNCTION_STRING_LENGTH:
    case FUNCTION_NORMALIZE_SPACE:
    case FUNCTION_TRANSLATE:
    case FUNCTION_BOOLEAN:
    case FUNCTION_NOT:
    case FUNCTION_TRUE:
    case FUNCTION_FALSE:
    case FUNCTION_NULL:
    case FUNCTION_LANG:
    case FUNCTION_NUMBER:
    case FUNCTION_SUM:
    case FUNCTION_FLOOR:
    case FUNCTION_CEILING:
    case FUNCTION_ROUND:
    case FUNCTION_FORMAT_NUMBER:
    case NCName:
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