export default class ExponentialBackoff {
    private readonly _backoffIntervalInMillisecond;
    private readonly _minBackoffIntervalInMillisecond;
    private readonly _maxBackoffIntervalInMillisecond;
    constructor(backoffIntervalInMillisecond?: number, minBackoffIntervalInMillisecond?: number, maxBackoffIntervalInMillisecond?: number);
    getExponentialBackoffIntervalByFailureCount(failureCount: number): number;
}