import { TreeViewItemId, TreeViewValidItem } from '@mui/x-tree-view/models';
import { RichTreeViewProStore } from "../../RichTreeViewProStore/RichTreeViewProStore.js";
export declare const TREE_VIEW_LAZY_LOADED_ITEMS_INITIAL_STATE: {
  loading: {};
  errors: {};
};
export declare class TreeViewLazyLoadingPlugin<R extends TreeViewValidItem<R>> {
  private store;
  private nestedDataManager;
  private cache;
  private isInsideOnItemsLazyLoaded;
  private initStarted;
  constructor(store: RichTreeViewProStore<R, any>);
  /**
   * Initialize lazy loading.
   * Called from the store's disposeEffect (inside a useEffect) to avoid side effects during render.
   * Uses a flag to ensure initialization only happens once (handles React 18 StrictMode double-firing effects).
   */
  initEffect: () => void;
  private init;
  private handleBeforeItemToggleExpansion;
  private setItemLoading;
  private setItemError;
  private callOnItemsLazyLoaded;
  buildPublicAPI: () => {
    updateItemChildren: (itemId: TreeViewItemId | null) => Promise<void>;
  };
  /**
   * Method used for fetching multiple items concurrently.
   * Only relevant for lazy-loaded tree views.
   *
   * @param {TreeViewItemId[]} parentIds The ids of the items to fetch the children of.
   * @returns {Promise<void>} The promise resolved when the items are fetched.
   */
  fetchItems: (parentIds: TreeViewItemId[]) => Promise<void>;
  /**
   * Method used for updating an item's children.
   * Only relevant for lazy-loaded tree views.
   *
   * @param {TreeViewItemId | null} itemId The id of the item to update the children of. If null is passed, it will update the root's children.
   * @returns {Promise<void>} The promise resolved when the items are fetched.
   */
  updateItemChildren: (itemId: TreeViewItemId | null) => Promise<void>;
  /**
   * Method used for fetching an item's children.
   * Only relevant for lazy-loaded tree views.
   *
   * @param {object} parameters The parameters of the method.
   * @param {TreeViewItemId} parameters.itemId The The id of the item to fetch the children of.
   * @param {boolean} [parameters.forceRefresh] Whether to force a refresh of the children when the cache already contains some data.
   * @returns {Promise<void>} The promise resolved when the items are fetched.
   */
  private getItemId;
  private getInlineChildren;
  private processNestedItemChildren;
  fetchItemChildren: ({
    itemId,
    forceRefresh
  }: {
    itemId: TreeViewItemId | null;
    forceRefresh?: boolean;
  }) => Promise<void>;
}