import '@operato/data-tree/ox-tree.js';
import './ox-mapping-area.js';
import { LitElement } from 'lit';
import { TreeNode, Mapping } from './types.js';
export declare class OxDataMapper extends LitElement {
    static styles: import("lit").CSSResult;
    sourceSchema: TreeNode;
    targetSchema: TreeNode;
    mappings: Mapping[];
    private selected;
    private sourceTree;
    private targetTree;
    private mappingsArea;
    private dataMapperContext;
    private dragStartElement;
    render(): import("lit-html").TemplateResult<1>;
    getNodePosition(nodeId: string, source: boolean): {
        x: number;
        y: number;
    } | undefined;
    onDragStart(e: DragEvent): void;
    onDragOver(e: DragEvent): void;
    onDrop(e: DragEvent): void;
}