import { searchUtils } from '@verdaccio/core';
/**
 * Retrieve a list of absolute paths to all folders in the given storage path
 * @param storagePath the base path of the storage
 * @return a promise that resolves to an array of absolute paths
 */
export declare function getFolders(storagePath: string, pattern?: string): Promise<string[]>;
/**
 * Search packages on the the storage. The storage could be
 * - storage
 *    - pkg1
 *    - @company
 *      - pkg2 -> @scompany/pkg2
 *    - storage1
 *      - pkg2
 *      - pkg3
 *    - storage2
 *        - @scope
 *           - pkg4 > @scope/pkg4
 * The search return a data structure like:
 *  [
 *   {
 *    name: 'pkg1', // package name could be @scope/pkg1
 *    path: absolute/path/package/name
 *   }
 *  ]
 * @param {string} storagePath is the base path of the storage folder,
 * inside could be packages, storages and @scope packages.
 * @param {Set<string>} storages storages are defined peer package access pattern via `storage` property
 * @param query is the search query from the user via npm search command.
 * and are intended to organize packages in a tree structure.
 * @returns {Promise<searchUtils.SearchItemPkg[]>}
 */
export declare function searchOnStorage(storagePath: string, storages: Map<string, string>): Promise<searchUtils.SearchItemPkg[]>;