code: func (o *TaskTrackerAPI) Validate() error {
  	var unregistered []string
  
  	if o.JSONConsumer == nil {
  		unregistered = append(unregistered, "JSONConsumer")
  	}
  
  	if o.MultipartformConsumer == nil {
  		unregistered = append(unregistered, "MultipartformConsumer")
  	}
  
  	if o.JSONProducer == nil {
  		unregistered = append(unregistered, "JSONProducer")
  	}
  
  	if o.APIKeyAuth == nil {
  		unregistered = append(unregistered, "TokenAuth")
  	}
  
  	if o.TokenHeaderAuth == nil {
  		unregistered = append(unregistered, "XTokenAuth")
  	}
  
  	if o.TasksAddCommentToTaskHandler == nil {
  		unregistered = append(unregistered, "tasks.AddCommentToTaskHandler")
  	}
  
  	if o.TasksCreateTaskHandler == nil {
  		unregistered = append(unregistered, "tasks.CreateTaskHandler")
  	}
  
  	if o.TasksDeleteTaskHandler == nil {
  		unregistered = append(unregistered, "tasks.DeleteTaskHandler")
  	}
  
  	if o.TasksGetTaskCommentsHandler == nil {
  		unregistered = append(unregistered, "tasks.GetTaskCommentsHandler")
  	}
  
  	if o.TasksGetTaskDetailsHandler == nil {
  		unregistered = append(unregistered, "tasks.GetTaskDetailsHandler")
  	}
  
  	if o.TasksListTasksHandler == nil {
  		unregistered = append(unregistered, "tasks.ListTasksHandler")
  	}
  
  	if o.TasksUpdateTaskHandler == nil {
  		unregistered = append(unregistered, "tasks.UpdateTaskHandler")
  	}
  
  	if o.TasksUploadTaskFileHandler == nil {
  		unregistered = append(unregistered, "tasks.UploadTaskFileHandler")
  	}
  
  	if len(unregistered) > 0 {
  		return fmt.Errorf("missing registration: %s", strings.Join(unregistered, ", "))
  	}
  
  	return nil
  }
docs: // Validate validates the registrations in the TaskTrackerAPI