export declare enum ReconnectionState {
    DISCONNECTED = "disconnected",
    CONNECTING = "connecting",
    CONNECTED = "connected",
    RECONNECTING = "reconnecting",
    FAILED = "failed"
}
export declare class ReconnectionStateManager {
    private state;
    private lastConnectedAt;
    private lastDisconnectedAt;
    setState(state: ReconnectionState): void;
    getState(): ReconnectionState;
    isConnected(): boolean;
    isReconnecting(): boolean;
    getLastConnectedAt(): Date | null;
    getLastDisconnectedAt(): Date | null;
    getConnectionDuration(): number | null;
}