import type { ExpandedKeys, SortMeta, SortOrder, TreeNode } from '@primereact/types/headless/datatable';
import type { DataTableFilterMeta } from './useDataTableFilter';
export type { TreeNode };
export interface UseDataTableTreeOptions {
    data: Record<string, unknown>[];
    treeMode?: boolean;
    expandedKeys: ExpandedKeys;
    sortField?: string;
    sortOrder?: SortOrder;
    multiSortMeta?: SortMeta[];
    filters?: DataTableFilterMeta;
    globalFilter?: string | null;
    globalFilterFields?: string[];
    paginator?: boolean;
    page?: number;
    rows?: number;
}
/**
 * Recursively filters tree nodes.
 * - If a node matches, include it with ALL its children (lenient mode).
 * - If a node doesn't match but a descendant does, include the node with filtered children.
 * - If neither node nor any descendant matches, exclude.
 */
export declare function filterTreeNodes(nodes: TreeNode[], filters: DataTableFilterMeta, globalFilter: string | null, globalFilterFields: string[], depth?: number): TreeNode[];
export declare function hasActiveFilters(filters: DataTableFilterMeta, globalFilter: string | null): boolean;
export declare function useDataTableTree(options: UseDataTableTreeOptions): {
    flattenedData: Record<string, unknown>[];
    totalRootNodes: number;
    state: {};
    exposes: {};
};