import { EventEmitter } from "../../stencil-public-runtime";
/**
 * @slot slot - The lightbox slides (swirl-file-viewer elements).
 * @slot toolbar - Slot for additional toolbar items displayed in the header.
 */
export declare class SwirlLightbox {
    el: HTMLElement;
    closeButtonLabel?: string;
    downloadButtonEnabled?: boolean;
    downloadButtonLabel?: string;
    label: string;
    nextSlideButtonLabel?: string;
    previousSlideButtonLabel?: string;
    activeSlideChange: EventEmitter<number>;
    lightboxClose: EventEmitter<void>;
    activeSlideIndex: number;
    closing: boolean;
    opening: boolean;
    slides: HTMLSwirlFileViewerElement[];
    private activateSlideTimeout;
    private closingTimeout;
    private componentLoaded;
    private dragging;
    private dragStartPosition;
    private dragDelta;
    private modalEl;
    private slidesContainer;
    private previousSlideButton;
    private nextSlideButton;
    connectedCallback(): void;
    componentWillLoad(): void;
    componentDidLoad(): void;
    disconnectedCallback(): void;
    watchActiveSlideIndex(): void;
    onKeyDown: (event: KeyboardEvent) => void;
    /**
     * Open the lightbox.
     */
    open(): Promise<void>;
    /**
     * Close the lightbox.
     */
    close(): Promise<void>;
    /**
     * Activate a slide.
     * @param newActiveSlideIndex
     */
    activateSlide(newActiveSlideIndex: number): Promise<void>;
    private ensureOpening;
    private setDialogCustomProps;
    private preventDragStart;
    private setSlideAttributes;
    private removeSlideListeners;
    private resetSlidePositions;
    private lockBodyScroll;
    private unlockBodyScroll;
    private onCloseButtonClick;
    private onDownloadButtonClick;
    private onNextSlideClick;
    private onPreviousSlideClick;
    private registerSlides;
    private getMediaPlayers;
    private stopAllMediaPlayers;
    private resetImageZoom;
    private onPointerDown;
    private onPointerMove;
    private onPointerUp;
    private onBackdropClick;
    private onContextMenu;
    render(): any;
}