interface IU8a implements Uint8Array, Codecimport { type IU8a } from "https://dotland.deno.dev/x/polkadot@0.2.45/types-codec/types/index.ts"; PropertiesreadonlyisAscii: booleanreadonlyisUtf8: booleanMethodsbitLength(): numbertoHuman(isExtended?: boolean): anytoJSON(): anytoUtf8(): stringimport IU8aimport { IU8a } from "https://dotland.deno.dev/x/polkadot@0.2.45/types-codec/types/index.ts";