import { Canvas } from '../../interfaces/canvas';
import { ContextMenuConfig } from '../config/diagram-canvas-config';
export declare const CONTEXT_MENU_DEFAULTS: {
    customButtons: never[];
};
/**
 * Stores the functionality regarding the context menu of a diagram canvas.
 * @public
 * @see DiagramCanvas
 */
export declare class DiagramContextMenu {
    #private;
    /**
     * Constructs a context menu object.
     * @public
     * @param canvas A canvas.
     */
    constructor(canvas: Canvas, config?: ContextMenuConfig);
    /**
     * Opens the context menu at the location determined by the given mouse event.
     * @public
     * @param event A mouse event.
     */
    open(event: MouseEvent): void;
    /**
     * Closes the context menu. Has no effect if it's not open.
     * @public
     */
    close(): void;
}