import type { Node } from '../../Node';
import type { Group } from '../../shapes/Group';
import type { EditorEdgeRecord, EditorNodeRecord } from './types';
export declare function nodeDiagramId(node: Node): string | undefined;
export declare function isEditableDiagramNode(node: Node): boolean;
/** Walk diagram tree and collect editable node groups. */
export declare function collectEditableNodes(root: Group): Group[];
export declare function findEdgeLayer(root: Group): Group | undefined;
export declare function collectEdgesFromLayer(edgeLayer: Group): EditorEdgeRecord[];
export declare function extractNodeLabel(node: Group): string;
export declare function buildNodeRecords(nodes: Group[]): EditorNodeRecord[];
export declare function findNodeByDiagramId(root: Group, id: string): Group | undefined;
export declare function resolveEditableGroup(hit: Node | null | undefined): Group | undefined;