export interface ICertResponse {
    /** 证书内容 */
    cert?: string;
    /** 证书序列号 */
    certSn?: number;
    /** issueCertSn */
    issueCertSn?: number;
    /** 过期时间 */
    expirationDate?: number;
}
export interface LocalStorageAddressObject {
    pemPrivateKey: string;
    pemPublicKey: string;
    pemCertificate: ICertResponse;
    /** 助记词 */
    mnemonic: string;
    /** 地址 */
    address: string;
    /** 钱包名字 */
    walletName: string;
}
export type LocalStorageKeysG = {
    /** 密钥 */
    password: string;
    /** 地址 */
    addressList: string[];
    /** getCommon已选择的地址 */
    selectedAddress: string;
};
export declare class LocalStorage {
    static setG<K extends keyof LocalStorageKeysG>(key: K, value: LocalStorageKeysG[K]): Promise<boolean>;
    static getG<K extends keyof LocalStorageKeysG>(key: K): Promise<LocalStorageKeysG[K] | null>;
    static getItemByAddress<K extends keyof LocalStorageAddressObject>(key: K, address: string): Promise<LocalStorageAddressObject[K] | null>;
    static set(item: LocalStorageAddressObject): Promise<boolean>;
    static get(address: string): Promise<LocalStorageAddressObject | null>;
    static remove(address: string): Promise<void>;
}