export type RetryState = {
    i: number;
};
export type OnNext = (e: unknown, state: RetryState) => {
    delayMs: number;
};
export declare class UpdateSerializer {
    private readonly options;
    private ongoingRun;
    private ongoingOperation;
    private counter;
    constructor(options?: {
        debounceSpan?: number;
    });
    allSettled(): Promise<void>;
    retry<T>(op: () => Promise<T>, onNext: OnNext): Promise<T>;
    /**
     * @returns true if operation succeeded, or false if operation was evicted by a more recent call
     */
    run(op: () => Promise<void>): Promise<boolean>;
    /**
     * @returns true if operation succeeded, or false if operation was evicted by a more recent call
     */
    private _run;
}
//# sourceMappingURL=UpdateSerializer.d.ts.map