function generateKeyimport { generateKey } from "https://dotland.deno.dev/std@0.177.0/node/internal/crypto/keygen.ts"; generateKey(_type: "hmac" | "aes",_options: { length: number; },_callback: (err: Error | null, key: KeyObject) => void,)Parameters_type: "hmac" | "aes"_options: { length: number; }_callback: (err: Error | null, key: KeyObject) => void