export declare const events: {
    MESSAGE_PUBLISHED: string;
    MESSAGE_NEXT: string;
    MESSAGE_RECEIVED: string;
    MESSAGE_ACKNOWLEDGED: string;
    MESSAGE_UNACKNOWLEDGED: string;
    MESSAGE_DEAD_LETTERED: string;
    GOING_UP: string;
    UP: string;
    GOING_DOWN: string;
    DOWN: string;
    ERROR: string;
    TICK: string;
};