import type { Room } from './Room.ts';
export interface ReconnectionOptions {
    /**
     * Whether automatic reconnection is enabled.
     * Set to `false` to disable automatic reconnection entirely.
     * @default true
     */
    enabled: boolean;
    /**
     * The maximum number of reconnection attempts.
     */
    maxRetries: number;
    /**
     * The minimum delay between reconnection attempts.
     */
    minDelay: number;
    /**
     * The maximum delay between reconnection attempts.
     */
    maxDelay: number;
    /**
     * The minimum uptime of the room before reconnection attempts can be made.
     */
    minUptime: number;
    /**
     * The current number of reconnection attempts.
     */
    retryCount: number;
    /**
     * The initial delay between reconnection attempts.
     */
    delay: number;
    /**
     * The function to calculate the delay between reconnection attempts.
     * @param attempt - The current attempt number.
     * @param delay - The initial delay between reconnection attempts.
     * @returns The delay between reconnection attempts.
     */
    backoff: (attempt: number, delay: number) => number;
    /**
     * The maximum number of enqueued messages to buffer.
     */
    maxEnqueuedMessages: number;
    /**
     * Buffer for messages sent while connection is not open.
     * These messages will be sent once the connection is re-established.
     */
    enqueuedMessages: Array<{
        data: Uint8Array;
    }>;
    /**
     * Whether the room is currently reconnecting.
     */
    isReconnecting: boolean;
}
/** Fresh per-room reconnection config + buffer state (defaults). One per `Room`
 *  instance — `enqueuedMessages` must not be shared. */
export declare function createReconnection(): ReconnectionOptions;
export declare const exponentialBackoff: (attempt: number, delay: number) => number;
/** Buffer a message to flush on (re)connect, evicting the oldest past the cap. */
export declare function enqueueMessage(room: Room, message: Uint8Array): void;