import type { ElTree } from 'element-plus/es/components/tree';
import type { TreeNodeData } from 'element-plus/es/components/tree/src/tree.type';
import type Node from 'element-plus/es/components/tree/src/model/node';
export declare function getCheckedNodes(elTreeCtx: InstanceType<typeof ElTree>, onlyData: boolean): (TreeNodeData | Node)[];