/**
 * Diagram builder — org.
 */
import type { App } from '../../App';
import type { Group } from '../../shapes/Group';
import type { Node } from '../../Node';
import type { NodeOptions } from '../../types';
import type { OrgChartNode } from '../types';
/** Create org chart with optional collapse */
export declare function createOrgChart(app: App, root: OrgChartNode, options?: NodeOptions): Group;
/** Wire click handlers on minimize/expand buttons. */
export declare function wireOrgCollapseControls(app: App, root: Group): void;
/** Toggle org chart branch collapse — hide/show children, relayout, rewire. */
export declare function toggleOrgCollapse(node: Node): void;