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