function util.hexToBnimport { util } from "https://dotland.deno.dev/x/polkadot@0.2.45/mod.ts"; const { hexToBn } = util; hexToBn(value?: string | null, unnamed 1?: ToBnOptions): BNExamples import { hexToBn } from 'https://deno.land/x/polkadot@0.2.45/util/mod.ts'; hexToBn('0x123480001f'); // => BN(0x123480001f) Parametersoptionalvalue: string | nullThe value to convert optionalunnamed 1: ToBnOptions = [UNSUPPORTED]Options to pass while converting ReturnsBN