FstSerialization implements Serialization { @Override public byte getContentTypeId() { return 9; }  @Override byte getContentTypeId(); @Override String getContentType(); @Override ObjectOutput serialize(URL url, OutputStream out); @Override ObjectInput deserialize(URL url, InputStream is);  }
@Test public void testContentTypeId() { assertThat(fstSerialization.getContentTypeId(), is((byte) 9)); }