import type { AnyFunc } from "./basic.js";
export type ThrottleOptions = {
    /**
     * time frame for throttle
     *
     * @defaultValue 0
     */
    wait?: number;
    /**
     * whether to invoke the function at the start of each period
     *
     * @defaultValue true
     */
    leading?: boolean;
    /**
     * whether to invoke the function at the end of each period
     *
     * @defaultValue true
     */
    trailing?: boolean;
};
export type ThrottledFn<T extends AnyFunc> = {
    /**
     * The throttled function.
     */
    (this: ThisParameterType<T>, ...args: Parameters<T>): ReturnType<T> | undefined;
    /**
     * Cancels the throttled function.
     *
     * @deprecated Use `throttled.cancel()` instead.
     */
    clear: () => void;
    /**
     * Cancels the throttled function.
     */
    cancel: () => void;
    /**
     * Invokes the debounced function immediately.
     */
    flush: () => ReturnType<T> | undefined;
};
/**
 * Creates a throttled function that only invokes the provided function at most once per every `wait` milliseconds.
 *
 * @from lodash/throttle
 */
export declare function throttle<T extends AnyFunc>(fn: T, options?: ThrottleOptions): ThrottledFn<T>;