import type { Job } from "./JobTypes.js";
export declare const THROTTLE_DROPPED: unique symbol;
/**
 * Drop jobs that are called earlier than windowMs from the last job
 * while ensuring the latest job is called after windowMs
 */
export default function createThrottle(windowMs?: number): {
    readonly trailing: boolean;
    readonly waiting: boolean;
    drain(): Promise<void>;
    onEmpty(cb: () => void): () => void;
    push<T>(job: Job<T>): Promise<T>;
    clear(): void;
};
export declare function isDropped<T>(result: PromiseSettledResult<T>): result is PromiseRejectedResult;
export declare function allButDropped<T extends Promise<unknown>[]>(promises: T): Promise<Awaited<T[number]>[]>;