export declare class AlephExtensionEvents {
    static namespace: string;
    static BOUNDING_BOX_ENABLED_CHANGE: string;
    static CLEAR_GRAPH: string;
    static CONTROLS_TYPE_CHANGE: string;
    static DELETE_ANGLE: string;
    static DELETE_EDGE: string;
    static DELETE_NODE: string;
    static DISPLAY_MODE_CHANGE: string;
    static GRAPH_ENABLED_CHANGE: string;
    static LOADED: string;
    static ORIENTATION_CHANGE: string;
    static RECENTER: string;
    static SELECT_NODE: string;
    static SET_GRAPH: string;
    static SET_NODE: string;
    static SLICES_INDEX_CHANGE: string;
    static SLICES_BRIGHTNESS_CHANGE: string;
    static SLICES_CONTRAST_CHANGE: string;
    static UNITS_CHANGE: string;
    static VIEWER_CHANGE: string;
    static VOLUME_STEPS_CHANGE: string;
    static VOLUME_BRIGHTNESS_CHANGE: string;
    static VOLUME_CONTRAST_CHANGE: string;
}