import { StorageKey, Storage, StorageKeyReturnType } from '@tezos-x/octez.connect-types';
/** Type workaround for https://github.com/Microsoft/TypeScript/issues/7294#issuecomment-465794460 */
export type ArrayElem<A> = A extends (infer Elem)[] ? Elem : never;
/**
 * @internalapi
 *
 * The StorageManager provides CRUD functionality for specific entities and persists them to the provided storage.
 */
export declare class StorageManager<T extends StorageKey.ACCOUNTS | StorageKey.APP_METADATA_LIST | StorageKey.PERMISSION_LIST | StorageKey.TRANSPORT_P2P_PEERS_DAPP | StorageKey.TRANSPORT_P2P_PEERS_WALLET | StorageKey.TRANSPORT_POSTMESSAGE_PEERS_DAPP | StorageKey.TRANSPORT_POSTMESSAGE_PEERS_WALLET | StorageKey.TRANSPORT_WALLETCONNECT_PEERS_DAPP> {
    private readonly storage;
    private readonly storageKey;
    constructor(storage: Storage, storageKey: T);
    getAll(): Promise<StorageKeyReturnType[T]>;
    getOne(predicate: (element: ArrayElem<StorageKeyReturnType[T]>) => boolean): Promise<ArrayElem<StorageKeyReturnType[T]> | undefined>;
    addOne(element: ArrayElem<StorageKeyReturnType[T]>, predicate: (element: ArrayElem<StorageKeyReturnType[T]>) => boolean, overwrite?: boolean): Promise<void>;
    /**
     * Insert or update many elements in a single read-modify-write cycle.
     *
     * Equivalent to calling {@link addOne} for each element, but reads and writes
     * storage once instead of once per element. Elements are reconciled against
     * the store AND against earlier elements in the same batch (so a duplicate
     * within `elements` collapses to one), using `match(stored, incoming)` to
     * decide identity. Used for the v4 multi-network fanout, which persists one
     * account per requested network from a single permission response.
     */
    addMany(elements: ArrayElem<StorageKeyReturnType[T]>[], match: (stored: ArrayElem<StorageKeyReturnType[T]>, incoming: ArrayElem<StorageKeyReturnType[T]>) => boolean, overwrite?: boolean): Promise<void>;
    remove(predicate: (element: ArrayElem<StorageKeyReturnType[T]>) => boolean): Promise<void>;
    removeAll(): Promise<void>;
}