function createDualHasherimport { createDualHasher } from "https://dotland.deno.dev/x/polkadot@0.2.45/util-crypto/helpers.ts"; createDualHasher(wa: DualHash, js: DualHash): (value: string | Uint8Array,bitLength?: 256 | 512,onlyJs?: boolean,) => Uint8ArrayParameterswa: DualHashjs: DualHashReturns(value: string | Uint8Array,bitLength?: 256 | 512,onlyJs?: boolean,) => Uint8Array