message: chore(api_guardian): update golden files
diff: @@ -356,15 +356,14 @@ export declare const ObjectUnsubscribedError: ObjectUnsubscribedErrorCtor;
  export declare const observable: string | symbol;
  export declare class Observable<T> implements Subscribable<T> {
  - _isScalar: boolean;
  - operator: Operator<any, T> | undefined;
  - source: Observable<any> | undefined;
  + protected operator: Operator<any, T> | undefined;
  + protected source: Observable<any> | undefined;
  constructor(subscribe?: (this: Observable<T>, subscriber: Subscriber<T>) => TeardownLogic);
  - _subscribe(subscriber: Subscriber<any>): TeardownLogic;
  - _trySubscribe(sink: Subscriber<T>): TeardownLogic;
  + protected _subscribe(subscriber: Subscriber<any>): TeardownLogic;
  + protected _trySubscribe(sink: Subscriber<T>): TeardownLogic;
  forEach(next: (value: T) => void): Promise<void>;
  forEach(next: (value: T) => void, promiseCtor: PromiseConstructorLike): Promise<void>;
  - lift<R>(operator?: Operator<T, R>): Observable<R>;
  + protected lift<R>(operator?: Operator<T, R>): Observable<R>;
  pipe(): Observable<T>;
  pipe<A>(op1: OperatorFunction<T, A>): Observable<A>;
  pipe<A, B>(op1: OperatorFunction<T, A>, op2: OperatorFunction<A, B>): Observable<B>;
  @@ -385,8 +384,6 @@ export declare class Observable<T> implements Subscribable<T> {
  toPromise<T>(this: Observable<T>, PromiseCtor: typeof Promise): Promise<T | undefined>;
  toPromise<T>(this: Observable<T>, PromiseCtor: PromiseConstructorLike): Promise<T | undefined>;
  static create: Function;
  - static if: typeof iif;
  - static throw: typeof throwError;
  }
  export declare type ObservableInput<T> = SubscribableOrPromise<T> | ArrayLike<T> | Iterable<T> | AsyncIterableIterator<T>;
  