import { ElementRef, EventEmitter } from '@angular/core';
import { INode } from '../../../services/eleview/types/model';
import { Node } from '../../../services/eleview/types/node';
export interface DragData {
    Type: 'column' | 'node';
    Data: string | Node;
}
export declare class EditLabelService {
    dragData: DragData;
    prevNodeEle: ElementRef;
    dragOverNode: Node;
    dragOverArea: string;
    onNodeChange: EventEmitter<any>;
    buildDragedNode(): INode;
}