/**
 * Creates a debounced function that delays invoking the provided function until after a specified delay
 * @param fn The function to debounce
 * @param delay The number of milliseconds to delay
 * @param param2 Options for the debounce behavior
 * @returns A new debounced function
 */
export declare function debounce(fn: any, delay?: number, { leading }?: {
    leading?: boolean;
}): (...args: Array<any>) => void;
/**
 * Creates a throttled function that only invokes the provided function at most once per specified delay
 * @param fn The function to throttle
 * @param delay The number of milliseconds to delay
 * @returns A new throttled function
 */
export declare function throttle(fn: Function, delay?: number): (...args: any[]) => void;