function ws.isWebSocketCloseEventimport { ws } from "https://deno.land/x/aleph@v0.3.0-alpha.2/deps.ts"; const { isWebSocketCloseEvent } = ws; isWebSocketCloseEvent(a: WebSocketEvent): a is WebSocketCloseEventReturns true if input value is a WebSocketCloseEvent, false otherwise. Parametersa: WebSocketEventReturnsa is WebSocketCloseEvent