class Err implements Result<T>Re-exportimport { Err } from "https://deno.land/x/resulty@0.4.0/mod.ts"; ConstructorsnewErr(state: T)Type ParametersTPropertiesreadonlystate: TMethodsexpect(message: string): voidexpectErr(message: string): TisError(): this is Err<T>isOk(): this is Ok<T>unwrap(): voidunwrapErr(): T