export declare function convertPageThumbnails(storyboard: ViewerContentStoryboard): PageThumbnail[];
export declare function initPageThumbnailCanvas(pageThumbnail: PageThumbnail, canvas: HTMLCanvasElement): void;
export declare function pageThumbnailBackgroundImageStyle(pageThumbnail: PageThumbnail, isReact: false, maxWidth: number, maxHeight?: number): {
    [key: string]: string;
};
export declare function pageThumbnailBackgroundImageStyle(pageThumbnail: PageThumbnail, isReact: true, maxWidth: number, maxHeight?: number): StoryboardCSS;
export interface PageThumbnail {
    height: number;
    imageWidth: number;
    imageHeight: number;
    left: number;
    top: number;
    url: string;
    width: number;
}
export interface StoryboardCSS {
    width: string;
    height: string;
    backgroundImage: string;
    backgroundPosition: string;
    backgroundSize: string;
}
export interface ViewerContentStoryboard {
    frameHeight?: number;
    framesets: ViewerFrameset[];
    framesTotal: number;
    framesX: number;
    framesY: number;
    frameUrls?: string[];
    frameWidth?: number;
}
interface ViewerFrameset {
    end: number;
    rect?: ViewerRect[];
    start: number;
    url: string;
}
interface ViewerRect {
    h: number;
    w: number;
    x: number;
    y: number;
}
export {};