/**
 * Exponential backoff utility for connection reconnection
 */
export interface BackoffConfig {
    base: number;
    max: number;
    jitter: number;
}
export declare class ExponentialBackoff {
    private config;
    private attempt;
    constructor(config: BackoffConfig);
    /**
     * Calculate the next delay based on the current attempt number
     * Formula: min(base * 2^attempt, max) with jitter
     */
    next(): number;
    /**
     * Get the current attempt number
     */
    getAttempt(): number;
    /**
     * Reset the backoff state
     */
    reset(): void;
    /**
     * Peek at what the next delay would be without incrementing
     */
    peek(): number;
}