function hmacShaAsU8aimport { hmacShaAsU8a } from "https://deno.land/x/polkadot@0.2.38/util-crypto/hmac/index.ts"; hmacShaAsU8a(key: Uint8Array | string,data: Uint8Array,bitLength?: 256 | 512,onlyJs?: boolean,): Uint8ArrayParameterskey: Uint8Array | stringdata: Uint8ArrayoptionalbitLength: 256 | 512 = [UNSUPPORTED]optionalonlyJs: booleanReturnsUint8Array