import type FavaLibMediator from '../FavaLibMediator.mjs';
import type { Password } from '../interfaces/CryptoLib.mjs';
import type { SaveFunction } from '../interfaces/SaveFunction.mjs';
import type { UnlockedSessionString } from '../interfaces/Vault.mjs';
/**
 * Manages the public operations related to the vault storage
 */
declare class StorageOperationsManager {
    private readonly mediator;
    /**
     * Constructs a new instance of StorageOperationsManager.
     * @param mediator - The mediator for accessing other components.
     */
    constructor(mediator: FavaLibMediator);
    /**
     * @returns The persistent storage manager instance which can be used to store data.
     */
    get persistentStorage(): import("./PersistentStorageManager.mjs").default;
    /**
     * Forces a save.
     * @returns void
     */
    forceSave(): Promise<void>;
    /**
     * Exports the derived key material of this unlocked vault, so it can be
     * rehydrated later without the password.
     *
     * The returned string is PLAINTEXT KEY MATERIAL and belongs only in
     * memory-backed, process-lifetime storage. Read
     * PersistentStorageManager.exportUnlockedSession's doc comment before using
     * or changing it.
     * @returns The session as a json string, for
     * loadFavaLibFromUnlockedSession.
     */
    exportUnlockedSession(): UnlockedSessionString;
    /**
     * Changes the library's password.
     * @param oldPassword - The current password.
     * @param newPassword - The new password to set.
     * @returns A promise that resolves when the password change is complete.
     * @throws {AuthenticationError} If the provided old password is incorrect.
     */
    changePassword(oldPassword: Password, newPassword: Password): Promise<void>;
    /**
     * Sets the save function for the library.
     * @param saveFunction - The save function to set.
     */
    setSaveFunction(saveFunction: SaveFunction): void;
}
export default StorageOperationsManager;