code: func NewAudioShare(chatID int64, fileID string) AudioConfig {
  	return AudioConfig{
  		BaseFile: BaseFile{
  			BaseChat:    BaseChat{ChatID: chatID},
  			FileID:      fileID,
  			UseExisting: true,
  		},
  	}
  }
docs: // NewAudioShare shares an existing audio file.
  // You may use this to reshare an existing audio file without
  // reuploading it.
  //
  // chatID is where to send it, fileID is the ID of the audio
  // already uploaded.