import { SelectBaseOption } from '../../select/src/interface';
import { Key } from '../../tree/src/interface';
import { TreeSelectTmNode, TreeSelectOption } from './interface';
export declare function treeOption2SelectOption(tmNode: TreeSelectTmNode, labelField: string): SelectBaseOption;
export declare function treeOption2SelectOptionWithPath(tmNode: TreeSelectTmNode, path: TreeSelectTmNode[], separator: string, labelField: string): SelectBaseOption;
export declare function filterTree(tree: TreeSelectOption[], filter: (pattern: string, v: TreeSelectOption) => boolean, pattern: string, keyField: string): {
    filteredTree: TreeSelectOption[];
    expandedKeys: Key[];
    highlightKeySet: Set<Key>;
};