code: private void writeFields(JsonWriterImpl out, Object value)
    {
      for (JsonField field : _fields) {
        field.write(out, value);
      }
    }
docs: /*
  @Override
  public void write(JsonWriter out,
  String name,
  Object value)
  {
  out.writeStartObject(name);
  
  writeFields(out, value);
  
  out.writeEnd();
  }