declare let DDV: any;
export declare function setDDV(DocumentViewer: any): void;
export declare class ImageFilterHandler extends DDV.ImageFilter {
    applyFilter(image: any, type: string): Promise<unknown>;
    get defaultFilterType(): string;
    querySupported(): {
        type: string;
        label: string;
    }[];
    destroy(): void;
}
export {};