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diff --git a/tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/throttle.ts b/tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/throttle.ts
deleted file mode 100644
index 5a040f57e3..0000000000
--- a/tools/node_modules/eslint/node_modules/rxjs/src/internal/operators/throttle.ts
+++ /dev/null
@@ -1,163 +0,0 @@
-import { Operator } from '../Operator';
-import { Observable } from '../Observable';
-import { Subscriber } from '../Subscriber';
-import { Subscription } from '../Subscription';
-
-import { OuterSubscriber } from '../OuterSubscriber';
-import { InnerSubscriber } from '../InnerSubscriber';
-import { subscribeToResult } from '../util/subscribeToResult';
-
-import { MonoTypeOperatorFunction, SubscribableOrPromise, TeardownLogic } from '../types';
-
-export interface ThrottleConfig {
-  leading?: boolean;
-  trailing?: boolean;
-}
-
-export const defaultThrottleConfig: ThrottleConfig = {
-  leading: true,
-  trailing: false
-};
-
-/**
- * Emits a value from the source Observable, then ignores subsequent source
- * values for a duration determined by another Observable, then repeats this
- * process.
- *
- * <span class="informal">It's like {@link throttleTime}, but the silencing
- * duration is determined by a second Observable.</span>
- *
- * ![](throttle.png)
- *
- * `throttle` emits the source Observable values on the output Observable
- * when its internal timer is disabled, and ignores source values when the timer
- * is enabled. Initially, the timer is disabled. As soon as the first source
- * value arrives, it is forwarded to the output Observable, and then the timer
- * is enabled by calling the `durationSelector` function with the source value,
- * which returns the "duration" Observable. When the duration Observable emits a
- * value or completes, the timer is disabled, and this process repeats for the
- * next source value.
- *
- * ## Example
- * Emit clicks at a rate of at most one click per second
- * ```javascript
- * import { fromEvent } from 'rxjs';
- * import { throttle } from 'rxjs/operators';
- *
- * const clicks = fromEvent(document, 'click');
- * const result = clicks.pipe(throttle(ev => interval(1000)));
- * result.subscribe(x => console.log(x));
- * ```
- *
- * @see {@link audit}
- * @see {@link debounce}
- * @see {@link delayWhen}
- * @see {@link sample}
- * @see {@link throttleTime}
- *
- * @param {function(value: T): SubscribableOrPromise} durationSelector A function
- * that receives a value from the source Observable, for computing the silencing
- * duration for each source value, returned as an Observable or a Promise.
- * @param {Object} config a configuration object to define `leading` and `trailing` behavior. Defaults
- * to `{ leading: true, trailing: false }`.
- * @return {Observable<T>} An Observable that performs the throttle operation to
- * limit the rate of emissions from the source.
- * @method throttle
- * @owner Observable
- */
-export function throttle<T>(durationSelector: (value: T) => SubscribableOrPromise<any>,
-                            config: ThrottleConfig = defaultThrottleConfig): MonoTypeOperatorFunction<T> {
-  return (source: Observable<T>) => source.lift(new ThrottleOperator(durationSelector, config.leading, config.trailing));
-}
-
-class ThrottleOperator<T> implements Operator<T, T> {
-  constructor(private durationSelector: (value: T) => SubscribableOrPromise<any>,
-              private leading: boolean,
-              private trailing: boolean) {
-  }
-
-  call(subscriber: Subscriber<T>, source: any): TeardownLogic {
-    return source.subscribe(
-      new ThrottleSubscriber(subscriber, this.durationSelector, this.leading, this.trailing)
-    );
-  }
-}
-
-/**
- * We need this JSDoc comment for affecting ESDoc
- * @ignore
- * @extends {Ignored}
- */
-class ThrottleSubscriber<T, R> extends OuterSubscriber<T, R> {
-  private _throttled: Subscription;
-  private _sendValue: T;
-  private _hasValue = false;
-
-  constructor(protected destination: Subscriber<T>,
-              private durationSelector: (value: T) => SubscribableOrPromise<number>,
-              private _leading: boolean,
-              private _trailing: boolean) {
-    super(destination);
-  }
-
-  protected _next(value: T): void {
-    this._hasValue = true;
-    this._sendValue = value;
-
-    if (!this._throttled) {
-      if (this._leading) {
-        this.send();
-      } else {
-        this.throttle(value);
-      }
-    }
-  }
-
-  private send() {
-    const { _hasValue, _sendValue } = this;
-    if (_hasValue) {
-      this.destination.next(_sendValue);
-      this.throttle(_sendValue);
-    }
-    this._hasValue = false;
-    this._sendValue = null;
-  }
-
-  private throttle(value: T): void {
-    const duration = this.tryDurationSelector(value);
-    if (!!duration) {
-      this.add(this._throttled = subscribeToResult(this, duration));
-    }
-  }
-
-  private tryDurationSelector(value: T): SubscribableOrPromise<any> {
-    try {
-      return this.durationSelector(value);
-    } catch (err) {
-      this.destination.error(err);
-      return null;
-    }
-  }
-
-  private throttlingDone() {
-    const { _throttled, _trailing } = this;
-    if (_throttled) {
-      _throttled.unsubscribe();
-    }
-    this._throttled = null;
-
-    if (_trailing) {
-      this.send();
-    }
-  }
-
-  notifyNext(outerValue: T, innerValue: R,
-             outerIndex: number, innerIndex: number,
-             innerSub: InnerSubscriber<T, R>): void {
-    this.throttlingDone();
-  }
-
-  notifyComplete(): void {
-    this.throttlingDone();
-  }
-}