import IImageEditor from "../imagetransformer/tui-image-editor/interfaces";
export declare function onApplyStyle(editorInstance: IImageEditor, filterStyles: {
    key: string;
    value: any;
}[], flipperStyles: {
    key: string;
    value: any;
}[]): Promise<any>;
export declare function onApplyFilter(editorInstance: IImageEditor, filter: string, value: boolean | number): Promise<void>;
export declare function onFlipX(editorInstance: IImageEditor): Promise<void>;
export declare function onFlipY(editorInstance: IImageEditor): Promise<void>;
export declare function onReset(editorInstance: IImageEditor): Promise<void>;
export declare function isEmpty(obj: any): boolean;
export declare function getComputedProp(element: string, prop: string): number;