/**
 * Copyright 2020 Splunk, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"): you may
 * not use this file except in compliance with the License. You may obtain
 * a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
/**
 * StorageManager.
 */
export declare class StorageManager {
    /**
     * StorageManager.
     * @param storageName Key name of the data blob in Storage.
     * @param storageFactory StorageFactory.
     */
    constructor(storageName: string);
    private _storage;
    private _storageName;
    /**
     * Gets the storage name.
     */
    get storageName(): string;
    /**
     * Gets data by key reference in the data blob from Storage.
     * When the key reference is not specified, the entire data blob will be returned from Storage.
     * @param key Key reference.
     */
    get(key?: string): any;
    /**
     * Sets a data blob into Storage by key reference.
     * When the key reference is not specified, the entire data blob will be set in Storage.
     * @param data Data.
     * @param key Key reference.
     */
    set(data: any, key?: string): void;
    /**
     * Removes an entry in the data blob in Storage by key reference.
     * When the key reference is not specified, the entire data blob in Storage is deleted.
     * @param key Key reference.
     */
    delete(key?: string): void;
    /**
     * Clears an entry in the data blob in Storage by key reference.
     * When the key reference is not specified, the entire data blob in Storage is cleared.
     * @param key Key reference.
     */
    clear(key?: string): void;
}