RetrieveFeaturePropertiesLiveCommandImpl extends AbstractQueryLiveCommand<RetrieveFeaturePropertiesLiveCommand,
        RetrieveFeaturePropertiesLiveCommandAnswerBuilder> implements RetrieveFeaturePropertiesLiveCommand { @Override public RetrieveFeaturePropertiesLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders) { return of(RetrieveFeatureProperties.of(getThingEntityId(), getFeatureId(), getSelectedFields().orElse(null), dittoHeaders)); } private  RetrieveFeaturePropertiesLiveCommandImpl(final RetrieveFeatureProperties command); @Nonnull static RetrieveFeaturePropertiesLiveCommandImpl of(final Command<?> command); @Override String getFeatureId(); @Override RetrieveFeaturePropertiesLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders); @Nonnull @Override RetrieveFeaturePropertiesLiveCommandAnswerBuilder answer(); @Nonnull @Override String toString();  }
@Test public void setDittoHeadersReturnsExpected() { final DittoHeaders emptyDittoHeaders = DittoHeaders.empty(); final RetrieveFeaturePropertiesLiveCommand newRetrieveFeaturePropertiesLiveCommand = underTest.setDittoHeaders(emptyDittoHeaders); assertThat(newRetrieveFeaturePropertiesLiveCommand).withDittoHeaders(emptyDittoHeaders); }