import type { CanUndef, IStack } from 'jodit/types';
import type { Command } from './command';
export declare class Stack implements IStack {
    private readonly size;
    private readonly commands;
    private stackPosition;
    constructor(size: number);
    get length(): number;
    private clearRedo;
    clear(): void;
    push(command: Command): void;
    replace(command: Command): void;
    current(): CanUndef<Command>;
    undo(): boolean;
    redo(): boolean;
    canUndo(): boolean;
    canRedo(): boolean;
}