function utilCrypto.hmacShaAsU8aimport { utilCrypto } from "https://dotland.deno.dev/x/polkadot@0.2.35/mod.ts"; const { hmacShaAsU8a } = utilCrypto; hmacShaAsU8a(key: Uint8Array | string,data: Uint8Array,bitLength?: 256 | 512,onlyJs?: boolean,): Uint8ArrayParameterskey: Uint8Array | stringdata: Uint8ArrayoptionalbitLength: 256 | 512 = [UNSUPPORTED]optionalonlyJs: booleanReturnsUint8Array