import { IDesignerCanvas } from "../../widgets/designerView/IDesignerCanvas.js";
import { IExternalDragDropService } from "./IExternalDragDropService.js";
export declare class ExternalDragDropService implements IExternalDragDropService {
    dragOver(designerCanvas: IDesignerCanvas, event: DragEvent): 'none' | 'copy' | 'link' | 'move';
    drop(designerCanvas: IDesignerCanvas, event: DragEvent): Promise<void>;
}