docs: private boolean vForVariable(String loopVariablesDefinition, TemplateParserContext context) {
      Matcher matcher = VFOR_VARIABLE.matcher(loopVariablesDefinition);
      if (matcher.matches()) {
        initLoopVariable(matcher.group(1), matcher.group(2), context);
        indexVariableInfo = null;
        return true;
      }
  
      return false;
    }