import { Stack as StackI, N } from '../typings';
declare class Stack<T> implements StackI<T> {
    items: T[];
    readonly capacity: N;
    constructor(capacity?: N);
    toArray(): T[];
    push(p: T): number | Error;
    pop(): T;
    peek(): T;
    isEmpty(): boolean;
    isFull(): boolean;
    clear(): void;
    size(): number;
}
export { Stack };