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