/// <reference types="node" />
import EventEmitter from 'events';
declare const eventBus: EventEmitter;
declare const EvtNames: {
    Click: string;
    changeZoomSliderVal: string;
    hideAllMenu: string;
    showAllMenu: string;
    menuAdd: string;
    menuRemove: string;
    menuQuery: string;
    menuExplore: string;
    menuExploreEvent: string;
    menuExploreEntity: string;
    menuExploreRelation: string;
    menuExploreProps: string;
    menuExploreExpand: string;
    menuExploreCollapse: string;
};
export { eventBus, EvtNames };