import { LitElement } from 'lit';
export interface LightboxImage {
    src: string;
    alt?: string;
    caption?: string;
    thumbnail?: string;
}
/**
 * Lightbox/Image Gallery Component
 *
 * Full-screen image viewer with zoom, navigation, and gallery support.
 *
 * @element ui-lightbox
 *
 * @slot - Default slot for triggering element(s)
 *
 * @fires lightbox-open - Dispatched when lightbox opens
 * @fires lightbox-close - Dispatched when lightbox closes
 * @fires lightbox-change - Dispatched when current image changes
 *
 * @csspart overlay - The overlay background
 * @csspart content - The main content container
 * @csspart image - The current image
 * @csspart controls - The control buttons container
 * @csspart thumbnails - The thumbnail strip
 */
export declare class UILightbox extends LitElement {
    static styles: import("lit").CSSResult;
    /**
     * Array of images to display in the gallery
     */
    images: LightboxImage[];
    /**
     * Initial image index
     */
    initialIndex: number;
    /**
     * Show thumbnail strip
     */
    showThumbnails: boolean;
    /**
     * Show navigation arrows
     */
    showNavigation: boolean;
    /**
     * Enable zoom functionality
     */
    enableZoom: boolean;
    /**
     * Show image counter
     */
    showCounter: boolean;
    /**
     * Enable infinite loop navigation
     */
    infiniteLoop: boolean;
    /**
     * Enable slideshow mode
     */
    slideshow: boolean;
    /**
     * Slideshow interval in milliseconds
     */
    slideshowInterval: number;
    private isOpen;
    private currentIndex;
    private isLoading;
    private isZoomed;
    private lightboxId;
    private dialogId;
    private zoomLevel;
    private slideshowTimer?;
    connectedCallback(): void;
    disconnectedCallback(): void;
    private handleKeyDown;
    /**
     * Open the lightbox at a specific index
     */
    open(index?: number): void;
    /**
     * Close the lightbox
     */
    close(): void;
    /**
     * Go to next image
     */
    next(): void;
    /**
     * Go to previous image
     */
    previous(): void;
    /**
     * Go to specific image index
     */
    goToImage(index: number): void;
    /**
     * Zoom in
     */
    zoomIn(): void;
    /**
     * Zoom out
     */
    zoomOut(): void;
    /**
     * Toggle zoom
     */
    toggleZoom(): void;
    /**
     * Start slideshow
     */
    startSlideshow(): void;
    /**
     * Stop slideshow
     */
    stopSlideshow(): void;
    private handleImageLoad;
    private handleOverlayClick;
    private handleImageClick;
    render(): import("lit-html").TemplateResult<1>;
}
declare global {
    interface HTMLElementTagNameMap {
        'ui-lightbox': UILightbox;
    }
}
//# sourceMappingURL=lightbox.d.ts.map