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