function hexToBigIntimport { hexToBigInt } from "https://deno.land/x/polkadot@0.2.19/util/hex/toBigInt.ts"; hexToBigInt(value?: string | null, unnamed 1?: ToBnOptions): bigintParametersoptionalvalue: string | nulloptionalunnamed 1: ToBnOptions = [UNSUPPORTED]Returnsbigint