export declare enum ErrorCode {
    Unknown = 0,
    NoSuchKey = 1,
    NoSuchSeedHash = 2,
    DecryptionFailed = 3,
    DBError = 4,
    WrongSeedLength = 5,
    WrongMnemonicString = 6
}
export declare class KeystoreError extends Error {
    code: ErrorCode;
    codeName: string;
    name: string;
    constructor(code: ErrorCode);
}