react-monaco-editor/example/node_modules/rxjs/src/add/operator/debounceTime.ts

Monaco Editor for React

import { Observable } from '../../Observable';
import { debounceTime } from '../../operator/debounceTime';

Observable.prototype.debounceTime = debounceTime;

declare module '../../Observable' {
  interface Observable<T> {
    debounceTime: typeof debounceTime;
  }
}