import type { IRetryPolicy, RetryContext } from '../../../external/signalr/index.js';
/**
 * A SignalR retry policy that reconnects indefinitely with a capped backoff.
 * The default `withAutomaticReconnect()` policy gives up after ~40 seconds, which leaves an idle
 * backoffice (preview, server events) permanently disconnected.
 */
export declare class UmbSignalRReconnectPolicy implements IRetryPolicy {
    /**
     * Gets the delay before the next reconnect attempt, following the capped backoff schedule.
     * @param {RetryContext} retryContext - The context for the current retry, including the previous retry count.
     * @returns {number} The delay in milliseconds before the next reconnect attempt (never null, so retries continue indefinitely).
     * @memberof UmbSignalRReconnectPolicy
     */
    nextRetryDelayInMilliseconds(retryContext: RetryContext): number;
}