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diff --git a/tools/node_modules/eslint/node_modules/rxjs/src/internal/observable/fromEvent.ts b/tools/node_modules/eslint/node_modules/rxjs/src/internal/observable/fromEvent.ts
deleted file mode 100644
index d89161efad..0000000000
--- a/tools/node_modules/eslint/node_modules/rxjs/src/internal/observable/fromEvent.ts
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@@ -1,245 +0,0 @@
-import { Observable } from '../Observable';
-import { isArray } from '../util/isArray';
-import { isFunction } from '../util/isFunction';
-import { Subscriber } from '../Subscriber';
-import { map } from '../operators/map';
-
-const toString: Function = Object.prototype.toString;
-
-export interface NodeStyleEventEmitter {
-  addListener: (eventName: string | symbol, handler: NodeEventHandler) => this;
-  removeListener: (eventName: string | symbol, handler: NodeEventHandler) => this;
-}
-
-export type NodeEventHandler = (...args: any[]) => void;
-
-// For APIs that implement `addListener` and `removeListener` methods that may
-// not use the same arguments or return EventEmitter values
-// such as React Native
-export interface NodeCompatibleEventEmitter {
-  addListener: (eventName: string, handler: NodeEventHandler) => void | {};
-  removeListener: (eventName: string, handler: NodeEventHandler) => void | {};
-}
-
-export interface JQueryStyleEventEmitter {
-  on: (eventName: string, handler: Function) => void;
-  off: (eventName: string, handler: Function) => void;
-}
-
-export interface HasEventTargetAddRemove<E> {
-  addEventListener(type: string, listener: ((evt: E) => void) | null, options?: boolean | AddEventListenerOptions): void;
-  removeEventListener(type: string, listener?: ((evt: E) => void) | null, options?: EventListenerOptions | boolean): void;
-}
-
-export type EventTargetLike<T> = HasEventTargetAddRemove<T> | NodeStyleEventEmitter | NodeCompatibleEventEmitter | JQueryStyleEventEmitter;
-
-export type FromEventTarget<T> = EventTargetLike<T> | ArrayLike<EventTargetLike<T>>;
-
-export interface EventListenerOptions {
-  capture?: boolean;
-  passive?: boolean;
-  once?: boolean;
-}
-
-export interface AddEventListenerOptions extends EventListenerOptions {
-  once?: boolean;
-  passive?: boolean;
-}
-
-/* tslint:disable:max-line-length */
-export function fromEvent<T>(target: FromEventTarget<T>, eventName: string): Observable<T>;
-/** @deprecated resultSelector no longer supported, pipe to map instead */
-export function fromEvent<T>(target: FromEventTarget<T>, eventName: string, resultSelector: (...args: any[]) => T): Observable<T>;
-export function fromEvent<T>(target: FromEventTarget<T>, eventName: string, options: EventListenerOptions): Observable<T>;
-/** @deprecated resultSelector no longer supported, pipe to map instead */
-export function fromEvent<T>(target: FromEventTarget<T>, eventName: string, options: EventListenerOptions, resultSelector: (...args: any[]) => T): Observable<T>;
-/* tslint:enable:max-line-length */
-
-/**
- * Creates an Observable that emits events of a specific type coming from the
- * given event target.
- *
- * <span class="informal">Creates an Observable from DOM events, or Node.js
- * EventEmitter events or others.</span>
- *
- * ![](fromEvent.png)
- *
- * `fromEvent` accepts as a first argument event target, which is an object with methods
- * for registering event handler functions. As a second argument it takes string that indicates
- * type of event we want to listen for. `fromEvent` supports selected types of event targets,
- * which are described in detail below. If your event target does not match any of the ones listed,
- * you should use {@link fromEventPattern}, which can be used on arbitrary APIs.
- * When it comes to APIs supported by `fromEvent`, their methods for adding and removing event
- * handler functions have different names, but they all accept a string describing event type
- * and function itself, which will be called whenever said event happens.
- *
- * Every time resulting Observable is subscribed, event handler function will be registered
- * to event target on given event type. When that event fires, value
- * passed as a first argument to registered function will be emitted by output Observable.
- * When Observable is unsubscribed, function will be unregistered from event target.
- *
- * Note that if event target calls registered function with more than one argument, second
- * and following arguments will not appear in resulting stream. In order to get access to them,
- * you can pass to `fromEvent` optional project function, which will be called with all arguments
- * passed to event handler. Output Observable will then emit value returned by project function,
- * instead of the usual value.
- *
- * Remember that event targets listed below are checked via duck typing. It means that
- * no matter what kind of object you have and no matter what environment you work in,
- * you can safely use `fromEvent` on that object if it exposes described methods (provided
- * of course they behave as was described above). So for example if Node.js library exposes
- * event target which has the same method names as DOM EventTarget, `fromEvent` is still
- * a good choice.
- *
- * If the API you use is more callback then event handler oriented (subscribed
- * callback function fires only once and thus there is no need to manually
- * unregister it), you should use {@link bindCallback} or {@link bindNodeCallback}
- * instead.
- *
- * `fromEvent` supports following types of event targets:
- *
- * **DOM EventTarget**
- *
- * This is an object with `addEventListener` and `removeEventListener` methods.
- *
- * In the browser, `addEventListener` accepts - apart from event type string and event
- * handler function arguments - optional third parameter, which is either an object or boolean,
- * both used for additional configuration how and when passed function will be called. When
- * `fromEvent` is used with event target of that type, you can provide this values
- * as third parameter as well.
- *
- * **Node.js EventEmitter**
- *
- * An object with `addListener` and `removeListener` methods.
- *
- * **JQuery-style event target**
- *
- * An object with `on` and `off` methods
- *
- * **DOM NodeList**
- *
- * List of DOM Nodes, returned for example by `document.querySelectorAll` or `Node.childNodes`.
- *
- * Although this collection is not event target in itself, `fromEvent` will iterate over all Nodes
- * it contains and install event handler function in every of them. When returned Observable
- * is unsubscribed, function will be removed from all Nodes.
- *
- * **DOM HtmlCollection**
- *
- * Just as in case of NodeList it is a collection of DOM nodes. Here as well event handler function is
- * installed and removed in each of elements.
- *
- *
- * ## Examples
- * ### Emits clicks happening on the DOM document
- * ```javascript
- * import { fromEvent } from 'rxjs';
- *
- * const clicks = fromEvent(document, 'click');
- * clicks.subscribe(x => console.log(x));
- *
- * // Results in:
- * // MouseEvent object logged to console every time a click
- * // occurs on the document.
- * ```
- *
- * ### Use addEventListener with capture option
- * ```javascript
- * import { fromEvent } from 'rxjs';
- *
- * const clicksInDocument = fromEvent(document, 'click', true); // note optional configuration parameter
- *                                                              // which will be passed to addEventListener
- * const clicksInDiv = fromEvent(someDivInDocument, 'click');
- *
- * clicksInDocument.subscribe(() => console.log('document'));
- * clicksInDiv.subscribe(() => console.log('div'));
- *
- * // By default events bubble UP in DOM tree, so normally
- * // when we would click on div in document
- * // "div" would be logged first and then "document".
- * // Since we specified optional `capture` option, document
- * // will catch event when it goes DOWN DOM tree, so console
- * // will log "document" and then "div".
- * ```
- *
- * @see {@link bindCallback}
- * @see {@link bindNodeCallback}
- * @see {@link fromEventPattern}
- *
- * @param {FromEventTarget<T>} target The DOM EventTarget, Node.js
- * EventEmitter, JQuery-like event target, NodeList or HTMLCollection to attach the event handler to.
- * @param {string} eventName The event name of interest, being emitted by the
- * `target`.
- * @param {EventListenerOptions} [options] Options to pass through to addEventListener
- * @return {Observable<T>}
- * @name fromEvent
- */
-export function fromEvent<T>(
-  target: FromEventTarget<T>,
-  eventName: string,
-  options?: EventListenerOptions | ((...args: any[]) => T),
-  resultSelector?: ((...args: any[]) => T)
-): Observable<T> {
-
-  if (isFunction(options)) {
-    // DEPRECATED PATH
-    resultSelector = options;
-    options = undefined;
-  }
-  if (resultSelector) {
-    // DEPRECATED PATH
-    return fromEvent<T>(target, eventName, <EventListenerOptions | undefined>options).pipe(
-      map(args => isArray(args) ? resultSelector(...args) : resultSelector(args))
-    );
-  }
-
-  return new Observable<T>(subscriber => {
-    function handler(e: T) {
-      if (arguments.length > 1) {
-        subscriber.next(Array.prototype.slice.call(arguments));
-      } else {
-        subscriber.next(e);
-      }
-    }
-    setupSubscription(target, eventName, handler, subscriber, options as EventListenerOptions);
-  });
-}
-
-function setupSubscription<T>(sourceObj: FromEventTarget<T>, eventName: string,
-                              handler: (...args: any[]) => void, subscriber: Subscriber<T>,
-                              options?: EventListenerOptions) {
-  let unsubscribe: () => void;
-  if (isEventTarget(sourceObj)) {
-    const source = sourceObj;
-    sourceObj.addEventListener(eventName, handler, options);
-    unsubscribe = () => source.removeEventListener(eventName, handler, options);
-  } else if (isJQueryStyleEventEmitter(sourceObj)) {
-    const source = sourceObj;
-    sourceObj.on(eventName, handler);
-    unsubscribe = () => source.off(eventName, handler);
-  } else if (isNodeStyleEventEmitter(sourceObj)) {
-    const source = sourceObj;
-    sourceObj.addListener(eventName, handler as NodeEventHandler);
-    unsubscribe = () => source.removeListener(eventName, handler as NodeEventHandler);
-  } else if (sourceObj && (sourceObj as any).length) {
-    for (let i = 0, len = (sourceObj as any).length; i < len; i++) {
-      setupSubscription(sourceObj[i], eventName, handler, subscriber, options);
-    }
-  } else {
-    throw new TypeError('Invalid event target');
-  }
-
-  subscriber.add(unsubscribe);
-}
-
-function isNodeStyleEventEmitter(sourceObj: any): sourceObj is NodeStyleEventEmitter {
-  return sourceObj && typeof sourceObj.addListener === 'function' && typeof sourceObj.removeListener === 'function';
-}
-
-function isJQueryStyleEventEmitter(sourceObj: any): sourceObj is JQueryStyleEventEmitter {
-  return sourceObj && typeof sourceObj.on === 'function' && typeof sourceObj.off === 'function';
-}
-
-function isEventTarget(sourceObj: any): sourceObj is HasEventTargetAddRemove<any> {
-  return sourceObj && typeof sourceObj.addEventListener === 'function' && typeof sourceObj.removeEventListener === 'function';
-}