declare class PasswordManager {
    password: string;
    lock(password?: string): Promise<void>;
    unlock(password?: string): Promise<void>;
    getPassword(): Promise<string>;
    getPrivateKey(publicKey: string): Promise<string | undefined>;
    getPrivateKeys(): Promise<string[]>;
    getPublicKeys(): Promise<string[]>;
    addPrivateKey(privateKeyStr?: string): Promise<void>;
    removePrivateKey(privateKey: string): Promise<void>;
}
declare const passwordManager: PasswordManager;
export default passwordManager;