class ECKey implements Serializable {

    public byte[] getAddress() {
        if (pubKeyHash == null) {
            pubKeyHash = computeAddress(this.pub);
        }
        return pubKeyHash;
    }

    public  ECKey();
    public  ECKey(Provider provider, SecureRandom secureRandom);
    public  ECKey(SecureRandom secureRandom);
    public  ECKey(Provider provider, @Nullable PrivateKey privKey, ECPoint pub);
    public  ECKey(@Nullable BigInteger priv, ECPoint pub);

}