private Object getFileSetObject(Value value) {
    if (myInputIdMapping == null) return null;

    value = wrapValue(value);

    if (myInputIdMapping == value || // myNullValue is Object
        myInputIdMapping.equals(value)) {
      return myInputIdMappingValue;
    }

    Map<Value, Object> mapping = asMapping();
    return mapping == null ? null : mapping.get(value);
  }
private Object getFileSetObject(Value value)