class I64 extends SizedType<bigint>import { I64 } from "https://deno.land/x/byte_type@0.4.0/src/primitives/i64.ts"; ConstructorsnewI64(littleEndian?: boolean)MethodsreadPacked(dt: DataView, options?: Options): bigintwritePacked(value: bigint,dt: DataView,options?: Options,): void