function createKeyMultiimport { createKeyMulti } from "https://deno.land/x/polkadot@0.2.25/util-crypto/mod.ts"; createKeyMulti(who: (HexString | Uint8Array | string)[], threshold: bigint | BN | number): Uint8ArrayParameterswho: (HexString | Uint8Array | string)[]threshold: bigint | BN | numberReturnsUint8Array