Method register_model

packages/base/src/manager.ts:141–141

* Register a model instance promise with the manager. * * By registering the model, it can later be retrieved with `get_model`.

(model_id: string, modelPromise: Promise<WidgetModel>)

   * By registering the model, it can later be retrieved with `get_model`.
   */
  register_model(model_id: string, modelPromise: Promise<WidgetModel>): void;

  /**
   * Create a comm and new widget model.