export declare class DiscordGateway {
    private readonly botToken;
    private ws;
    private heartbeatTimer;
    private jitterTimer;
    private reconnectTimer;
    private ackReceived;
    private sequence;
    private sessionId;
    private resumeGatewayUrl;
    private destroyed;
    private reconnectAttempts;
    constructor(botToken: string);
    /** Open the gateway connection. Safe to call multiple times. */
    connect(): void;
    /** Close the connection permanently (e.g. loop stopped). */
    destroy(): void;
    private _connect;
    private _handle;
    private _identify;
    private _startHeartbeat;
    private _sendHeartbeat;
    private _send;
    private _scheduleReconnect;
    private _cleanup;
}