/**
 * @license
 *-------------------------------------------------------------------------------------------
 * Copyright © 2026 Progress Software Corporation. All rights reserved.
 * Licensed under commercial license. See LICENSE.md in the package root for more information
 *-------------------------------------------------------------------------------------------
 */
import { OrgChartOperationDescriptors } from './OrgChartOperationDescriptors.js';
/**
 * A helper function which applies the specified operation descriptors to the data.
 * * [Expanding and collapsing items](https://www.telerik.com/kendo-react-ui/components/treeview/expansion/update-expanded-items#toc-using-a-helper-function)
 * * [Selecting and deselecting items](https://www.telerik.com/kendo-react-ui/components/treeview/selection/update-selected-items#toc-using-a-helper-function)
 * * [Checking and unchecking items](https://www.telerik.com/kendo-react-ui/components/treeview/checkboxes/helper-functions)
 *
 * @param data - The data that will be processed.
 * @param operations - The operation descriptors that will be applied to the data.
 * @returns - The processed copy of the input data.
 *
 * @example
 * ```jsx
 * const App = () => {
 *     const [items, setItems] = React.useState(tree);
 *     const [expand, setExpand] = React.useState([]);
 *     const [select, setSelect] = React.useState([]);
 *     const [check, setCheck] = React.useState([]);
 *
 *     const onExpandChange = (event) => {
 *         let newExpand = expand.slice();
 *         const index = newExpand.indexOf(event.itemHierarchicalIndex);
 *         index === -1 ? newExpand.push(event.itemHierarchicalIndex) : newExpand.splice(index, 1);
 *         setExpand(newExpand);
 *     }
 *
 *     return (
 *         <OrgChart
 *             data={processOrgChartItems(items, { expand, select, check })}
 *             expandIcons={true} onExpandChange={onExpandChange} checkboxes={true}
 *             onCheckChange={event => setCheck([event.itemHierarchicalIndex])}
 *             onItemClick={event => setSelect([event.itemHierarchicalIndex])}
 *         />
 *     );
 * }
 *
 * const tree = [{
 *     text: 'Item1',
 *     items: [
 *         { text: 'Item1.1' },
 *         { text: 'Item1.2' },
 *         { text: 'Item1.3', items: [{ text: 'Item1.3.1' }] }]
 * }, {
 *     text: 'Item2', disabled: true,
 *     items: [{ text: 'Item2.1' }, { text: 'Item2.2' }, { text: 'Item2.3' }]
 * }, {
 *     text: 'Item3'
 * }];
 * ```
 */
export declare function processOrgChartItems(data: any[] | null | undefined, operations: OrgChartOperationDescriptors): any[];