export declare const sleep: (ms: number) => Promise<void>;
export declare class ExponentialRetry {
    attemptCount: number;
    sleepBaseSecs: number;
    maxJitterSecs: number;
    currentAttempt: number;
    constructor(attemptCount: number, sleepBaseSecs: number, maxJitterSecs: number);
    backoff(): Promise<void>;
    shouldTry(): boolean;
}
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