export type DebouncedFunction<T extends (...args: never[]) => void> = ((...args: Parameters<T>) => void) & {
    cancel: () => void;
};
/**
 * Returns a debounced function that delays invoking `fn` until after `delayMs` has elapsed
 * since the last call. The returned function has a `cancel()` method to clear pending invocations.
 */
export declare function debounce<T extends (...args: never[]) => void>(fn: T, delayMs: number | (() => number)): DebouncedFunction<T>;