import { CSSProperties, KeyboardEvent, MouseEvent, ReactNode, SyntheticEvent, TouchEvent } from "react";
import type React from "react";
/**
 * Image set for responsive images
 */
export interface ImageSet {
    srcSet: string;
    media: string;
}
/**
 * Individual gallery item configuration
 */
export interface GalleryItem {
    /** URL of the main image */
    original: string;
    /** URL of the thumbnail image */
    thumbnail?: string;
    /** URL of the fullscreen image (defaults to original) */
    fullscreen?: string;
    /** Original image width for aspect ratio (as string for img attribute) */
    originalWidth?: string;
    /** Original image height for aspect ratio (as string for img attribute) */
    originalHeight?: string;
    /** Thumbnail image width */
    thumbnailWidth?: string | number;
    /** Thumbnail image height */
    thumbnailHeight?: string | number;
    /** Alt text for the main image */
    originalAlt?: string;
    /** Alt text for the thumbnail */
    thumbnailAlt?: string;
    /** Title attribute for the main image */
    originalTitle?: string;
    /** Title attribute for the thumbnail */
    thumbnailTitle?: string;
    /** Description text shown below the image */
    description?: string;
    /** Label shown on the thumbnail */
    thumbnailLabel?: string;
    /** Additional CSS class for the slide */
    originalClass?: string;
    /** Additional CSS class for the thumbnail */
    thumbnailClass?: string;
    /** Additional CSS class for the bullet */
    bulletClass?: string;
    /** Loading strategy for the main image */
    loading?: "eager" | "lazy";
    /** Loading strategy for the thumbnail */
    thumbnailLoading?: "eager" | "lazy";
    /** srcSet for responsive main images */
    srcSet?: string;
    /** sizes attribute for responsive images */
    sizes?: string;
    /** Array of image sets for picture element */
    imageSet?: ImageSet[];
    /** Custom render function for this item */
    renderItem?: (item: GalleryItem) => ReactNode;
    /** Custom render function for this thumbnail */
    renderThumbInner?: (item: GalleryItem) => ReactNode;
    /** Click handler for bullet */
    bulletOnClick?: (event: MouseEvent<HTMLButtonElement>, index: number) => void;
}
export type ThumbnailPosition = "top" | "bottom" | "left" | "right";
export type SlideEvent = MouseEvent | KeyboardEvent | TouchEvent | Event | SyntheticEvent | undefined;
export type OnSlideCallback = (currentIndex: number) => void;
export type OnBeforeSlideCallback = (nextIndex: number) => void;
export type OnScreenChangeCallback = (fullscreen: boolean) => void;
export type OnPauseCallback = (currentIndex: number) => void;
export type OnPlayCallback = (currentIndex: number) => void;
export type OnClickCallback = (event: MouseEvent<HTMLDivElement> | KeyboardEvent<HTMLDivElement>) => void;
export type OnImageLoadCallback = (event: SyntheticEvent<HTMLImageElement>) => void;
export type OnImageErrorCallback = (event: SyntheticEvent<HTMLImageElement>) => void;
export type OnTouchCallback = (event: TouchEvent<HTMLDivElement>) => void;
export type OnMouseCallback = (event: MouseEvent<HTMLDivElement>) => void;
export type OnBulletClickCallback = (event: MouseEvent<HTMLButtonElement>, index: number) => void;
export type OnThumbnailClickCallback = (event: MouseEvent<HTMLButtonElement> | KeyboardEvent<HTMLButtonElement>, index: number) => void;
export type OnThumbnailErrorCallback = (event: SyntheticEvent<HTMLImageElement>) => void;
export type RenderNavCallback = (onClick: (event?: SlideEvent) => void, disabled: boolean) => ReactNode;
export type RenderPlayPauseCallback = (onClick: () => void, isPlaying: boolean) => ReactNode;
export type RenderFullscreenCallback = (onClick: () => void, isFullscreen: boolean) => ReactNode;
export type RenderItemCallback = (item: GalleryItem) => ReactNode;
export type RenderThumbInnerCallback = (item: GalleryItem) => ReactNode;
export type RenderCustomControlsCallback = () => ReactNode;
export interface ImageGalleryProps {
    /** Array of gallery items to display */
    items: GalleryItem[];
    /** Additional CSS class for the gallery container */
    additionalClass?: string;
    /** Auto-play slideshow on mount */
    autoPlay?: boolean;
    /** Disable keyboard navigation */
    disableKeyDown?: boolean;
    /** Disable swipe gestures on main slides */
    disableSwipe?: boolean;
    /** Disable thumbnail auto-scroll to active thumbnail */
    disableThumbnailScroll?: boolean;
    /** Disable swipe gestures on thumbnails */
    disableThumbnailSwipe?: boolean;
    /** Velocity threshold for flick detection (0-1) */
    flickThreshold?: number;
    /** Separator between current and total in index indicator */
    indexSeparator?: string;
    /** Enable infinite loop sliding */
    infinite?: boolean;
    /** Enable right-to-left layout */
    isRTL?: boolean;
    /** Enable lazy loading of images */
    lazyLoad?: boolean;
    /** Fallback image URL on error */
    onErrorImageURL?: string;
    /** Show bullet navigation */
    showBullets?: boolean;
    /** Maximum number of bullets to show (minimum 3) */
    maxBullets?: number;
    /** Show fullscreen toggle button */
    showFullscreenButton?: boolean;
    /** Show current/total index indicator */
    showIndex?: boolean;
    /** Show left/right navigation arrows */
    showNav?: boolean;
    /** Show play/pause button */
    showPlayButton?: boolean;
    /** Show thumbnail strip */
    showThumbnails?: boolean;
    /** Slide animation duration in milliseconds */
    slideDuration?: number;
    /** Auto-play interval in milliseconds */
    slideInterval?: number;
    /** Slide to image on thumbnail hover */
    slideOnThumbnailOver?: boolean;
    /** Enable vertical sliding instead of horizontal */
    slideVertically?: boolean;
    /** Initial slide index */
    startIndex?: number;
    /** Stop event propagation on swipe */
    stopPropagation?: boolean;
    /** Minimum swipe distance to trigger slide change */
    swipeThreshold?: number;
    /** Transition duration during swiping */
    swipingTransitionDuration?: number;
    /** Position of thumbnail strip */
    thumbnailPosition?: ThumbnailPosition;
    /** Use browser fullscreen API vs modal fullscreen */
    useBrowserFullscreen?: boolean;
    /** Use translate3d for GPU acceleration */
    useTranslate3D?: boolean;
    /** Attach keyboard listener to window vs gallery element */
    useWindowKeyDown?: boolean;
    /** Called before slide transition starts */
    onBeforeSlide?: OnBeforeSlideCallback;
    /** Called when a bullet is clicked */
    onBulletClick?: OnBulletClickCallback;
    /** Called when the gallery is clicked */
    onClick?: OnClickCallback;
    /** Called on main image error */
    onImageError?: OnImageErrorCallback;
    /** Called when main image loads */
    onImageLoad?: OnImageLoadCallback;
    /** Called on mouse leave from gallery */
    onMouseLeave?: OnMouseCallback;
    /** Called on mouse over gallery */
    onMouseOver?: OnMouseCallback;
    /** Called when auto-play pauses */
    onPause?: OnPauseCallback;
    /** Called when auto-play starts */
    onPlay?: OnPlayCallback;
    /** Called when fullscreen state changes */
    onScreenChange?: OnScreenChangeCallback;
    /** Called after slide transition completes */
    onSlide?: OnSlideCallback;
    /** Called when a thumbnail is clicked */
    onThumbnailClick?: OnThumbnailClickCallback;
    /** Called on thumbnail image error */
    onThumbnailError?: OnThumbnailErrorCallback;
    /** Called on touch end */
    onTouchEnd?: OnTouchCallback;
    /** Called on touch move */
    onTouchMove?: OnTouchCallback;
    /** Called on touch start */
    onTouchStart?: OnTouchCallback;
    /** Custom renderer for bottom navigation (vertical mode) */
    renderBottomNav?: RenderNavCallback;
    /** Custom renderer for additional controls */
    renderCustomControls?: RenderCustomControlsCallback;
    /** Custom renderer for fullscreen button */
    renderFullscreenButton?: RenderFullscreenCallback;
    /** Custom renderer for slide items */
    renderItem?: RenderItemCallback;
    /** Custom renderer for left navigation */
    renderLeftNav?: RenderNavCallback;
    /** Custom renderer for play/pause button */
    renderPlayPauseButton?: RenderPlayPauseCallback;
    /** Custom renderer for right navigation */
    renderRightNav?: RenderNavCallback;
    /** Custom renderer for thumbnail inner content */
    renderThumbInner?: RenderThumbInnerCallback;
    /** Custom renderer for top navigation (vertical mode) */
    renderTopNav?: RenderNavCallback;
}
export interface ImageGalleryRef {
    /** Start auto-play */
    play: () => void;
    /** Stop auto-play */
    pause: () => void;
    /** Toggle auto-play */
    togglePlay: () => void;
    /** Enter fullscreen mode */
    fullScreen: () => void;
    /** Exit fullscreen mode */
    exitFullScreen: () => void;
    /** Toggle fullscreen mode */
    toggleFullScreen: () => void;
    /** Navigate to specific slide index */
    slideToIndex: (index: number, event?: SlideEvent) => void;
    /** Get current slide index */
    getCurrentIndex: () => number;
}
export interface UseGalleryNavigationProps {
    items: GalleryItem[];
    startIndex: number;
    infinite: boolean;
    isRTL: boolean;
    slideDuration: number;
    onSlide?: OnSlideCallback | null;
    onBeforeSlide?: OnBeforeSlideCallback | null;
}
export interface UseGalleryNavigationReturn {
    currentIndex: number;
    previousIndex: number;
    isTransitioning: boolean;
    currentSlideOffset: number;
    canSlideLeft: () => boolean;
    canSlideRight: () => boolean;
    slideToIndex: (index: number, event?: SlideEvent) => void;
    slideToIndexCore: (index: number, event?: SlideEvent, isPlayPause?: boolean) => void;
    slideToIndexWithStyleReset: (index: number, event?: SlideEvent) => void;
    slideLeft: (event?: SlideEvent) => void;
    slideRight: (event?: SlideEvent) => void;
    getContainerStyle: (options?: ContainerStyleOptions) => CSSProperties;
    getExtendedSlides: () => ExtendedSlidesResult;
    getAlignmentClass: (displayIndex: number) => string;
    setCurrentSlideOffset: (offset: number) => void;
    setSlideStyle: (style: CSSProperties) => void;
}
export interface ContainerStyleOptions {
    useTranslate3D?: boolean;
    slideVertically?: boolean;
}
export interface ExtendedSlidesResult {
    extendedItems: GalleryItem[];
    getSlideKey: (displayIndex: number) => string;
    getRealIndex: (displayIndex: number) => number;
}
export interface UseThumbnailsProps {
    currentIndex: number;
    items: GalleryItem[];
    thumbnailPosition: ThumbnailPosition;
    disableThumbnailScroll: boolean;
    slideDuration: number;
    isRTL: boolean;
    useTranslate3D: boolean;
}
export interface UseThumbnailsReturn {
    thumbsTranslate: number;
    setThumbsTranslate: (value: number) => void;
    thumbsSwipedTranslate: number;
    setThumbsSwipedTranslate: (value: number) => void;
    setThumbsStyle: (style: CSSProperties) => void;
    thumbnailsWrapperWidth: number;
    thumbnailsWrapperHeight: number;
    isSwipingThumbnail: boolean;
    setIsSwipingThumbnail: (value: boolean) => void;
    thumbnailsWrapperRef: React.RefObject<HTMLDivElement | null>;
    thumbnailsRef: React.RefObject<HTMLDivElement | null>;
    isThumbnailVertical: () => boolean;
    getThumbnailStyle: () => CSSProperties;
    getThumbnailBarHeight: (gallerySlideWrapperHeight: number) => number | undefined;
    initResizeObserver: (element: React.RefObject<HTMLElement | null>) => void;
    removeResizeObserver: () => void;
}
export interface UseFullscreenProps {
    useBrowserFullscreen: boolean;
    onScreenChange?: OnScreenChangeCallback | null;
    galleryRef: React.RefObject<HTMLDivElement | null>;
}
export interface UseFullscreenReturn {
    isFullscreen: boolean;
    modalFullscreen: boolean;
    fullScreen: () => void;
    exitFullScreen: () => void;
    toggleFullScreen: () => void;
    handleScreenChange: () => void;
}
export interface UseAutoPlayProps {
    autoPlay: boolean;
    slideInterval: number;
    slideDuration: number;
    infinite: boolean;
    totalSlides: number;
    currentIndex: number;
    canSlideRight: () => boolean;
    slideToIndexCore: (index: number, event?: SlideEvent, isPlayPause?: boolean) => void;
    slideToIndexWithStyleReset: (index: number, event?: SlideEvent) => void;
    onPlay?: OnPlayCallback | null;
    onPause?: OnPauseCallback | null;
}
export interface UseAutoPlayReturn {
    isPlaying: boolean;
    playPauseIntervalRef: React.MutableRefObject<NodeJS.Timeout | null>;
    play: () => void;
    pause: () => void;
    togglePlay: () => void;
}
export interface SlideProps {
    alignment: string;
    index: number;
    originalClass: string;
    onClick?: OnClickCallback | null;
    onKeyUp?: (event: KeyboardEvent<HTMLDivElement>) => void;
    onMouseLeave?: OnMouseCallback | null;
    onMouseOver?: OnMouseCallback | null;
    onTouchEnd?: OnTouchCallback | null;
    onTouchMove?: OnTouchCallback | null;
    onTouchStart?: OnTouchCallback | null;
    children: ReactNode;
}
export interface ItemProps {
    description?: string;
    fullscreen?: string;
    handleImageLoaded: (event: SyntheticEvent<HTMLImageElement>, original: string) => void;
    isFullscreen: boolean;
    loading?: "eager" | "lazy";
    original: string;
    originalAlt?: string;
    originalHeight?: number;
    originalTitle?: string;
    originalWidth?: number;
    sizes?: string;
    srcSet?: string;
    onImageError?: OnImageErrorCallback;
}
export interface ThumbnailProps {
    index: number;
    isActive: boolean;
    thumbnailClass: string;
    onClick: (event: MouseEvent<HTMLButtonElement>) => void;
    onFocus: (event: React.FocusEvent<HTMLButtonElement>) => void;
    onKeyUp: (event: KeyboardEvent<HTMLButtonElement>) => void;
    onMouseLeave?: ((event: MouseEvent<HTMLButtonElement>) => void) | null;
    onMouseOver: (event: MouseEvent<HTMLButtonElement>) => void;
    children: ReactNode;
}
export interface ThumbnailBarProps {
    disableThumbnailSwipe: boolean;
    isRTL: boolean;
    thumbnailBarHeight?: number;
    thumbnailPosition: ThumbnailPosition;
    thumbnails: ReactNode[];
    thumbnailsRef: React.RefObject<HTMLDivElement | null>;
    thumbnailStyle: CSSProperties;
    thumbnailsWrapperRef: React.RefObject<HTMLDivElement | null>;
    onSwiped: () => void;
    onSwiping: (data: SwipeEventData) => void;
}
export interface BulletProps {
    bulletClass?: string;
    index: number;
    isActive: boolean;
    onClick: (event: MouseEvent<HTMLButtonElement>) => void;
}
export interface BulletNavProps {
    bullets: ReactNode[];
    slideVertically: boolean;
}
export interface IndexIndicatorProps {
    currentIndex: number;
    indexSeparator: string;
    totalItems: number;
}
export interface NavButtonProps {
    disabled: boolean;
    onClick: (event: MouseEvent<HTMLButtonElement>) => void;
}
export interface PlayPauseProps {
    isPlaying: boolean;
    onClick: () => void;
}
export interface FullscreenProps {
    isFullscreen: boolean;
    onClick: () => void;
}
export interface SwipeWrapperProps {
    className?: string;
    delta?: number;
    onSwiped: (data: SwipeEventData) => void;
    onSwiping: (data: SwipeEventData) => void;
    children: ReactNode;
}
export interface SwipeEventData {
    event: globalThis.TouchEvent | globalThis.MouseEvent;
    absX: number;
    absY: number;
    dir: SwipeDirection;
    velocity: number;
}
export type SwipeDirection = "Left" | "Right" | "Up" | "Down";
export interface SVGProps {
    strokeWidth?: number;
}
declare const ImageGallery: React.ForwardRefExoticComponent<ImageGalleryProps & React.RefAttributes<ImageGalleryRef>>;
export default ImageGallery;