import { Observable } from '@daign/observable';
import { Vector2 } from '@daign/math';
import { ControlObject } from '../control-elements';
/**
 * Class that manages the current selected control object and control point.
 */
export declare class SelectionManager extends Observable {
    activeObject: ControlObject | null;
    activePoint: Vector2 | null;
    /**
     * Constructor.
     */
    constructor();
    /**
     * Set the current selection.
     * @param activeObject - The currently active control object or null.
     * @param activePoint - The currently active control point vector or null.
     */
    setSelection(activeObject: ControlObject | null, activePoint: Vector2 | null): void;
}