public static byte[] encodeBase64(byte[] binaryData) {
        return encodeBase64(binaryData, false, false, Integer.MAX_VALUE);
    }
@Test
    void testEncodeNullOrEmpty() {
        byte[] b1 = Base64.encodeBase64(null);
        assertNull(b1);
        byte[] b2 = Base64.encodeBase64(new byte[] {});
        assertEquals(0, b2.length);
    }