function util.isU8aimport { util } from "https://dotland.deno.dev/x/polkadot@0.2.45/mod.ts"; const { isU8a } = util; isU8a(value?: unknown): value is Uint8ArrayExamples import { isUint8Array } from 'https://deno.land/x/polkadot@0.2.45/util/mod.ts'; console.log('isU8a', isU8a([])); // => false Parametersoptionalvalue: unknownReturnsvalue is Uint8Arrayimport util.isU8aimport { util } from "https://dotland.deno.dev/x/polkadot@0.2.45/mod.ts"; const { isU8a } = util;