/**
 *  Copyright 2023 OwlMeans
 *
 *  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.
 */
import { Dispatch, SetStateAction } from "react";
import { EncryptedStore } from "../store";
import { WalletWrapper } from "./types";
export declare const createWalletHandler: () => WalletHandler;
export type WalletHandler = {
    wallet: WalletWrapper | undefined;
    stores: {
        [key: string]: EncryptedStore;
    };
    observers: HandlerObserver[];
    cryptoLoaded: boolean;
    notify: () => void;
    logout: () => Promise<void>;
    observe: <T>(setState: Dispatch<SetStateAction<T>>, transformer: HandlerObserverTransformer<T>) => () => void;
    loadStore: (loader: StoreLoader) => Promise<WalletWrapper | undefined>;
};
export type StoreLoader = (hanlder: WalletHandler) => Promise<WalletWrapper | undefined>;
export type HandlerObserver = () => void;
export type ObserverTransformerOption<T extends any = any, Props extends any = any> = (wallet: WalletWrapper | undefined, props?: Props, handler?: WalletHandler) => T;
export type HandlerObserverTransformer<T> = (wallet?: WalletWrapper) => T;
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