code: @SuppressWarnings("unchecked")
    public LinkedHashMap<String, Field> getValueAsListMap() {
      return (LinkedHashMap<String, Field>) type.convert(getValue(), Type.LIST_MAP);
    }
docs: Returns the ordered Map value of the field.
  
  @return the ordered Map value of the field. It returns a reference of the value.
  @throws IllegalArgumentException if the value cannot be converted to ordered Map.