/**
 * 创建图片查看器管理器的 composable
 * 用于在 MdRenderer 中统一管理所有图片的查看器实例
 */
export declare function useImageViewerManager(viewerOptions?: any): {
    registerImage: (img: HTMLImageElement) => void;
    unregisterImage: (img: HTMLImageElement) => void;
    show: (index?: number) => void;
    containerRef: import("vue").Ref<HTMLElement | null, HTMLElement | null>;
    cleanup: () => void;
};
