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diff --git a/tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/materialize.ts b/tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/materialize.ts
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--- a/tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/materialize.ts
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-import { Operator } from '../Operator';
-import { Observable } from '../Observable';
-import { Subscriber } from '../Subscriber';
-import { Notification } from '../Notification';
-import { OperatorFunction } from '../types';
-
-/**
- * Represents all of the notifications from the source Observable as `next`
- * emissions marked with their original types within {@link Notification}
- * objects.
- *
- * <span class="informal">Wraps `next`, `error` and `complete` emissions in
- * {@link Notification} objects, emitted as `next` on the output Observable.
- * </span>
- *
- * ![](materialize.png)
- *
- * `materialize` returns an Observable that emits a `next` notification for each
- * `next`, `error`, or `complete` emission of the source Observable. When the
- * source Observable emits `complete`, the output Observable will emit `next` as
- * a Notification of type "complete", and then it will emit `complete` as well.
- * When the source Observable emits `error`, the output will emit `next` as a
- * Notification of type "error", and then `complete`.
- *
- * This operator is useful for producing metadata of the source Observable, to
- * be consumed as `next` emissions. Use it in conjunction with
- * {@link dematerialize}.
- *
- * ## Example
- * Convert a faulty Observable to an Observable of Notifications
- * ```javascript
- * import { of } from 'rxjs';
- * import { materialize, map } from 'rxjs/operators';
- *
- * const letters = of('a', 'b', 13, 'd');
- * const upperCase = letters.pipe(map(x => x.toUpperCase()));
- * const materialized = upperCase.pipe(materialize());
- * materialized.subscribe(x => console.log(x));
- *
- * // Results in the following:
- * // - Notification {kind: "N", value: "A", error: undefined, hasValue: true}
- * // - Notification {kind: "N", value: "B", error: undefined, hasValue: true}
- * // - Notification {kind: "E", value: undefined, error: TypeError:
- * //   x.toUpperCase is not a function at MapSubscriber.letters.map.x
- * //   [as project] (http://1…, hasValue: false}
- * ```
- *
- * @see {@link Notification}
- * @see {@link dematerialize}
- *
- * @return {Observable<Notification<T>>} An Observable that emits
- * {@link Notification} objects that wrap the original emissions from the source
- * Observable with metadata.
- * @method materialize
- * @owner Observable
- */
-export function materialize<T>(): OperatorFunction<T, Notification<T>> {
-  return function materializeOperatorFunction(source: Observable<T>) {
-    return source.lift(new MaterializeOperator());
-  };
-}
-
-class MaterializeOperator<T> implements Operator<T, Notification<T>> {
-  call(subscriber: Subscriber<Notification<T>>, source: any): any {
-    return source.subscribe(new MaterializeSubscriber(subscriber));
-  }
-}
-
-/**
- * We need this JSDoc comment for affecting ESDoc.
- * @ignore
- * @extends {Ignored}
- */
-class MaterializeSubscriber<T> extends Subscriber<T> {
-  constructor(destination: Subscriber<Notification<T>>) {
-    super(destination);
-  }
-
-  protected _next(value: T) {
-    this.destination.next(Notification.createNext(value));
-  }
-
-  protected _error(err: any) {
-    const destination = this.destination;
-    destination.next(Notification.createError(err));
-    destination.complete();
-  }
-
-  protected _complete() {
-    const destination = this.destination;
-    destination.next(Notification.createComplete());
-    destination.complete();
-  }
-}