add hw2

node_modules/vscode-jsonrpc/lib/common/events.d.ts

@@ -0,0 +1,39 @@
+import { Disposable } from './disposable';
+/**
+ * Represents a typed event.
+ */
+export interface Event<T> {
+    /**
+     *
+     * @param listener The listener function will be called when the event happens.
+     * @param thisArgs The 'this' which will be used when calling the event listener.
+     * @param disposables An array to which a {{IDisposable}} will be added.
+     * @return
+    */
+    (listener: (e: T) => any, thisArgs?: any, disposables?: Disposable[]): Disposable;
+}
+export declare namespace Event {
+    const None: Event<any>;
+}
+export interface EmitterOptions {
+    onFirstListenerAdd?: Function;
+    onLastListenerRemove?: Function;
+}
+export declare class Emitter<T> {
+    private _options?;
+    private static _noop;
+    private _event;
+    private _callbacks;
+    constructor(_options?: EmitterOptions | undefined);
+    /**
+     * For the public to allow to subscribe
+     * to events from this Emitter
+     */
+    get event(): Event<T>;
+    /**
+     * To be kept private to fire an event to
+     * subscribers
+     */
+    fire(event: T): any;
+    dispose(): void;
+}