import { PuzzleCaptchaOptions } from '../types';
export declare class PuzzleCaptcha {
    private options;
    private container;
    private mainContainer;
    private imageContainer;
    private canvas;
    private ctx;
    private sliderContainer;
    private sliderTrack;
    private sliderThumb;
    private progressBar;
    private hintText;
    private puzzle;
    private modal;
    private cancelBtn;
    private backgroundImage;
    private puzzlePosition;
    private currentX;
    private isVerified;
    private defaultImages;
    constructor(options: PuzzleCaptchaOptions);
    private init;
    private createLayout;
    private bindEvents;
    private loadBackgroundImage;
    private drawShape;
    drawPuzzleCaptcha(): void;
    private verify;
    /**
     * 显示验证码弹窗
     */
    showPopup(): void;
    /**
     * 隐藏验证码弹窗
     */
    hidePopup(): void;
    /**
     * 刷新验证码
     */
    refresh(): void;
    /**
     * 销毁验证码实例
     */
    destroy(): void;
}