function isWebSocketPingEventDeprecatedDeprecateduse Deno.upgradeWebSocket Returns true if input value is a WebSocketPingEvent, false otherwise. import { isWebSocketPingEvent } from "https://deno.land/std@0.116.0/ws/mod.ts"; Deprecateduse Deno.upgradeWebSocket Returns true if input value is a WebSocketPingEvent, false otherwise. isWebSocketPingEvent(a: WebSocketEvent): a is WebSocketPingEventParametersa: WebSocketEventReturnsa is WebSocketPingEvent