export interface ThrottleOptions {
    leading?: boolean;
    trailing?: boolean;
}
/**
 * A simplified and properly typed version of lodash's `throttle`, that
 * always uses timers instead of sometimes using rAF.
 *
 * Creates a throttled function that only invokes `func` at most once per
 * every `wait` milliseconds. The throttled function comes with a `cancel`
 * method to cancel delayed `func` invocations and a `flush` method to
 * immediately invoke them. Provide `options` to indicate whether `func`
 * should be invoked on the leading and/or trailing edge of the `wait`
 * timeout. The `func` is invoked with the last arguments provided to the
 * throttled function. Subsequent calls to the throttled function return
 * the result of the last `func` invocation.
 *
 * **Note:** If `leading` and `trailing` options are `true`, `func` is
 * invoked on the trailing edge of the timeout only if the throttled function
 * is invoked more than once during the `wait` timeout.
 *
 * If `wait` is `0` and `leading` is `false`, `func` invocation is deferred
 * until the next tick, similar to `setTimeout` with a timeout of `0`.
 *
 * @param {Function}                   func             The function to throttle.
 * @param {number}                     wait             The number of milliseconds to throttle invocations to.
 * @param {Partial< ThrottleOptions >} options          The options object.
 * @param {boolean}                    options.leading  Specify invoking on the leading edge of the timeout.
 * @param {boolean}                    options.trailing Specify invoking on the trailing edge of the timeout.
 * @return Returns the new throttled function.
 */
export declare const throttle: <FunctionT extends (...args: unknown[]) => unknown>(func: FunctionT, wait: number, options?: ThrottleOptions) => {
    (this: unknown, ...args: Parameters<FunctionT>): ReturnType<FunctionT>;
    cancel: () => void;
    flush: () => ReturnType<FunctionT>;
    pending: () => boolean;
};
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