/**
 * Contains advanced options for configuring a new bridge connection.
 */
export declare class BridgeConnectionAdvancedConfig {
    /**
     * Optional function to be used for starting new intervals instead of
     * the standard "setInterval" function.
     *
     * For example, an Angular app can provide a function that starts intervals
     * outside of the NgZone.
     */
    startIntervalFunction: (handler: any, timeout?: any, ...args: any[]) => number;
    /**
     * Outgoing heartbeat interval in milliseconds.
     * Specify 0 to disable outgoing heartbeat.
     */
    heartbeatOutgoingInterval: number;
    /**
     * Incoming heartbeat interval in milliseconds.
     * Specify 0 to disable incoming heartbeat.
     */
    heartbeatIncomingInterval: number;
}