export interface ReconnectionOptions {
    maxRetries?: number;
    baseDelayMs?: number;
    maxDelayMs?: number;
}
export declare class ReconnectionManager {
    private readonly opts;
    private attempt;
    private timer;
    private cancelled;
    private running;
    private pendingResolve;
    constructor(opts?: ReconnectionOptions);
    /** Start the retry cycle. Resolves true on success, false on exhausted/cancelled. */
    start(connectFn: () => Promise<boolean>, onExhausted: () => void): Promise<boolean>;
    /** Cancel further retries. */
    cancel(): void;
    /** Get the current attempt number (0-based). */
    getAttempt(): number;
    /** Whether the manager is currently running. */
    isRunning(): boolean;
    /** Calculate delay for a given attempt number with exponential backoff + cap. */
    getDelayMs(attemptNum: number): number;
    private tryConnect;
    private scheduleRetry;
}