function unmaskDeprecatedDeprecateduse Deno.upgradeWebSocket Unmask masked websocket payload import { unmask } from "https://deno.land/std@0.110.0/ws/mod.ts"; Deprecateduse Deno.upgradeWebSocket Unmask masked websocket payload unmask(payload: Uint8Array, mask?: Uint8Array): voidParameterspayload: Uint8Arrayoptionalmask: Uint8ArrayReturnsvoid