export = memoize;
/** @template T @typedef {function(): T} FunctionReturning */
/**
 * @template T
 * @param {FunctionReturning<T>} fn memorized function
 * @returns {FunctionReturning<T>} new function
 */
declare function memoize<T>(fn: FunctionReturning<T>): FunctionReturning<T>;
declare namespace memoize {
  export { FunctionReturning };
}
type FunctionReturning<T> = () => T;