/**
 * Returns true if an object is empty, null, or undefined.
 *
 * Note that this is different than lodash's isEmpty method.
 * Checking an empty array or empty string will result
 * in false.
 *
 * @param candidate -
 *        The object to test.
 *
 * @returns
 *        True if candidate is the empty object or
 *        null.  False otherwise.
 */
export declare function isEmptyObject(candidate: any): candidate is {};