Interface Injectable

packages/core/src/di/injectable.ts:82–101

 * @publicApi
 */
export interface Injectable {
  /**
   * Determines which injectors will provide the injectable.
   *
   * - `Type<any>` - associates the injectable with an `@NgModule` or other `InjectorType`. This
   * option is DEPRECATED.
   * - 'null' : Equivalent to `undefined`. The injectable is not provided in any scope automatically
   * and must be added to a `providers` array.
   *
   * The following options specify that this injectable should be provided in one of the following
   * injectors:
   * - 'root' : The application-level injector in most apps.
   * - 'platform' : A special singleton platform injector shared by all
   * applications on the page.
   * - 'any' : Provides a unique instance in each lazy loaded module while all eagerly loaded
   * modules share one instance. This option is DEPRECATED.
   *
   */
  providedIn?: Type<any> | 'root' | 'platform' | 'any' | null;
}

/**
 * Injectable decorator and metadata.