import { TreeFolder } from '../components/FolderTree/FolderTree.types';
import { Folder } from '../types';
/**
 * Web-app folder structure (from appstore.js and foldercard.jsx)
 */
export interface WebAppFolder {
    _id: string;
    name: string;
    thumbnail?: string;
    folders_count?: number;
    resources_count?: number;
    isPublic?: boolean;
    allowedActions?: string[];
    defaultorder?: string;
}
/**
 * Convert a single web-app folder object to the new Folder interface
 *
 * @param folder - Web-app folder object
 * @returns Folder object compatible with new components
 *
 * @example
 * ```typescript
 * const webAppFolder = {
 *   _id: 'folder123',
 *   name: 'My Folder',
 *   thumbnail: 'https://...',
 *   folders_count: 5,
 *   resources_count: 20,
 *   isPublic: true,
 *   allowedActions: ['list', 'view']
 * };
 *
 * const folder = adaptFolder(webAppFolder);
 * // Returns: { id: 'folder123', name: 'My Folder', foldersCount: 5, ... }
 * ```
 */
export declare function adaptFolder(folder: WebAppFolder): Folder;
/**
 * Convert an array of web-app folder objects to Folder array
 *
 * @param folders - Array of web-app folder objects
 * @returns Array of Folder objects compatible with new components
 *
 * @example
 * ```typescript
 * const folders = appStore.gridData.folder[0] || [];
 * const adaptedFolders = adaptFolders(folders);
 * ```
 */
export declare function adaptFolders(folders: WebAppFolder[]): Folder[];
/**
 * Convert a single web-app folder to a TreeFolder for hierarchical navigation
 *
 * @param folder - Web-app folder object
 * @param parentId - Parent folder ID (null for root folders)
 * @param children - Pre-loaded child folders (optional)
 * @returns TreeFolder object compatible with FolderTree component
 *
 * @example
 * ```typescript
 * const webAppFolder = {
 *   _id: 'folder123',
 *   name: 'My Folder',
 *   folders_count: 3
 * };
 *
 * const treeFolder = adaptFolderToTree(webAppFolder, null);
 * // Returns: { id: 'folder123', name: 'My Folder', parentId: null, ... }
 * ```
 */
export declare function adaptFolderToTree(folder: WebAppFolder, parentId?: string | null, children?: TreeFolder[]): TreeFolder;
/**
 * Convert an array of web-app folders to TreeFolder array
 *
 * @param folders - Array of web-app folder objects
 * @param parentId - Parent folder ID (null for root folders)
 * @returns Array of TreeFolder objects compatible with FolderTree component
 *
 * @example
 * ```typescript
 * const folders = appStore.gridData.folder[0] || [];
 * const treeFolders = adaptFoldersToTree(folders, null);
 * ```
 */
export declare function adaptFoldersToTree(folders: WebAppFolder[], parentId?: string | null): TreeFolder[];
/**
 * Extended folder type with parent reference for tree building
 */
export interface WebAppFolderWithParent extends WebAppFolder {
    parentId?: string;
}
/**
 * Build a hierarchical tree from flat folder data
 * This is useful when you have a flat list of folders with parent references
 *
 * @param folders - Flat array of web-app folders with parent references
 * @returns Hierarchical TreeFolder array
 */
export declare function buildFolderTree(folders: WebAppFolderWithParent[]): TreeFolder[];
/**
 * Type guard to check if an object is a valid WebAppFolder
 */
export declare function isWebAppFolder(obj: unknown): obj is WebAppFolder;
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