import { AnyFunction } from '../../types';
/**
 * The interface for the returning value of the RequestInterval.
 *
 * @since 3.0.0
 */
export interface ThrottleInstance<F extends AnyFunction> extends Function {
    (...args: Parameters<F>): void;
}
/**
 * Returns the throttled function.
 *
 * @param func     - A function to throttle.
 * @param duration - Optional. Throttle duration in milliseconds.
 *
 * @return A throttled function.
 */
export declare function Throttle<F extends AnyFunction>(func: F, duration?: number): ThrottleInstance<F>;
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