function util.hexToBigIntimport { util } from "https://dotland.deno.dev/x/polkadot@0.2.23/mod.ts"; const { hexToBigInt } = util; hexToBigInt(value?: string | null, unnamed 1?: ToBnOptions): bigintParametersoptionalvalue: string | nulloptionalunnamed 1: ToBnOptions = [UNSUPPORTED]Returnsbigint