public String getUnquotedValue() {
        String result = toString();
        if (result.length() >= 2 && result.startsWith(QUOTE) && result.endsWith(QUOTE)) {
            result = result.substring(1, result.length() - 1);
        }
        return result;
    }
Reads an escaped string

@throws Exception
es6-persistence/src/main/java/com/netflix/conductor/es6/dao/query/parser/internal/ConstValue.java