WrappingMessageMapper implements MessageMapper { @Override public JsonObject getDefaultOptions() { return delegate.getDefaultOptions(); } private  WrappingMessageMapper(final MessageMapper delegate); static MessageMapper wrap(final MessageMapper mapper); @Override String getId(); @Override Collection<String> getContentTypeBlocklist(); @Override JsonObject getDefaultOptions(); @Override Map<String, String> getIncomingConditions(); @Override Map<String, String> getOutgoingConditions(); MessageMapper getDelegate(); @Override void configure(final MappingConfig mappingConfig, final MessageMapperConfiguration configuration); @Override List<Adaptable> map(final ExternalMessage message); @Override List<ExternalMessage> map(final Adaptable adaptable); @Override boolean equals(final Object o); @Override int hashCode(); @Override String toString();  }
@Test public void getDefaultOptions() { Assertions.assertThat(underTest.getDefaultOptions()).isEqualTo(DEFAULT_OPTIONS); }