code: func (v *bulkIndexRequestCommand) UnmarshalJSON(data []byte) error {
  	r := jlexer.Lexer{Data: data}
  	easyjson9de0fcbfDecodeGithubComOlivereElastic1(&r, v)
  	return r.Error()
  }
docs: // UnmarshalJSON supports json.Unmarshaler interface