hunk.code_window:   @IsOptional()
     @ValidateNested()
     cta: ChannelCTACommand;
     @IsMongoId()
     parentChangeId: string;
   }
hunk.labels: keep keep keep keep add keep keep keep
hunk.after_edit:   @IsOptional()
     @IsString()
     feedId: string;
  
hunk.file_path: apps/api/src/app/message-template/usecases/create-message-template/create-message-template.command.ts
hunk.type: add
file: import { CommandHelper } from '../../../shared/commands/command.helper';
  import { EnvironmentWithSubscriber } from '../../../shared/commands/project.command';
  
  export class GetUnseenCountCommand extends EnvironmentWithSubscriber {
    static create(data: GetUnseenCountCommand) {
      return CommandHelper.create<GetUnseenCountCommand>(GetUnseenCountCommand, data);
    }
  }
  