class Stackimport { Stack } from "https://deno.land/x/fathym_common@v0.0.131/src/iterables/Stack.ts"; ConstructorsnewStack()Type ParametersTPropertiesprivateitems: T[]MethodsisEmpty(): booleanpeek(): T | undefinedpop(): T | undefinedpush(item: T): voidsize(): number