import { RetryStrategy } from './retry-strategy';
/**
 * ExponentialRetryStrategy implements a retry strategy that uses an exponential backoff algorithm.
 */
export declare class ExponentialRetryStrategy implements RetryStrategy {
    baseDelayMs: number;
    retryCount: number;
    /**
     * @param baseDelayMs - The initial delay before the first retry (default is 1000ms)
     * @param retryCount - The maximum number of retries (default is 3)
     */
    constructor(baseDelayMs?: number, retryCount?: number);
    /**
     * Calculates the delay for a given retry attempt using exponential backoff.
     * @param attempt - The current retry attempt number (0-based)
     * @returns The delay in milliseconds for the current attempt
     */
    getDelay(attempt: number): number;
}