/**
 * Coerce the type to DragEvent
 *
 * @param x - The item to test
 * @returns True if the value is a DragEvent
 *
 * @example
 * isDragEvent(myDragEvent);  // Returns: true
 * isDragEvent(myClickEvent); // Returns: false
 */
export declare const isDragEvent: (x: any) => x is DragEvent;