declare type $Duration<T> = number | ((value: T) => number | Promise<unknown>);
export declare const time: <T>(config?: {
    throttle?: {
        duration: $Duration<T>;
        leading?: boolean | undefined;
        trailing?: boolean | undefined;
    } | undefined;
    debounce?: {
        duration: $Duration<T>;
        onDebunce?: ((timer: Promise<unknown>) => unknown) | undefined;
    } | undefined;
}) => TransformStream<T, T>;
export {};