RetrieveFeatureLiveCommandImpl extends AbstractQueryLiveCommand<RetrieveFeatureLiveCommand,
        RetrieveFeatureLiveCommandAnswerBuilder> implements RetrieveFeatureLiveCommand { @Nonnull @Override public RetrieveFeatureLiveCommandAnswerBuilder answer() { return RetrieveFeatureLiveCommandAnswerBuilderImpl.newInstance(this); } private  RetrieveFeatureLiveCommandImpl(final RetrieveFeature command); @Nonnull static RetrieveFeatureLiveCommandImpl of(final Command<?> command); @Override String getFeatureId(); @Override RetrieveFeatureLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders); @Nonnull @Override RetrieveFeatureLiveCommandAnswerBuilder answer(); @Nonnull @Override String toString();  }
@Test public void answerReturnsNotNull() { assertThat(underTest.answer()).isNotNull(); }