GroupedPropertiesSerialiser extends PropertiesSerialiser<GroupedProperties> { @Override public GroupedProperties deserialiseEmpty() throws SerialisationException { return null; } GroupedPropertiesSerialiser();  GroupedPropertiesSerialiser(final Schema schema); @Override boolean canHandle(final Class clazz); @Override byte[] serialise(final GroupedProperties properties); @Override GroupedProperties deserialise(final byte[] bytes); @Override GroupedProperties deserialiseEmpty(); String getGroup(final byte[] bytes); @Override boolean isConsistent();  }
@Test public void testDeserialiseEmpty() throws SerialisationException { assertEquals(null, serialiser.deserialiseEmpty()); }