interface Flip {
    <T, U, R>(fn: (arg0: T, arg1: U, ...args: any[]) => R): (arg1: U, arg0: T, ...args: any[]) => R;
}
/**
 * Returns a new function much like the supplied one, except that the first two
 * arguments' order is reversed.
 *
 * @param {Function} fn The function to invoke with its first two parameters reversed.
 * @return {*} The result of invoking `fn` with its first two parameters' order reversed.
 * @example
 *
 *      const neg = (a, b) => a - b
 *
 *      flip(neg)(3, 5); //=> 2
 */
declare const _default: Flip;
export default _default;