function createKeyDerivedimport { createKeyDerived } from "https://dotland.deno.dev/x/polkadot@0.2.45/util-crypto/bundle.ts"; createKeyDerived(who: string | Uint8Array, index: bigint | BN | number): Uint8ArrayParameterswho: string | Uint8Arrayindex: bigint | BN | numberReturnsUint8Array