export declare class DragDropUtils { constructor(); static PositionMobile(ev: Event): void; static AllowDrop(ev: Event): void; /** * When dragging begins * * @param e DragEvent */ static SideMenuDragEvent(e: any): void; /** * Drop event after dragging * * @param e DragEvent * @param callback function to add dragged node to canvas */ static Drop(e: DragEvent, callback: (name: string, x: number, y: number) => {}): void; }