RetrieveFeatureDefinitionLiveCommandImpl extends AbstractQueryLiveCommand<RetrieveFeatureDefinitionLiveCommand,
        RetrieveFeatureDefinitionLiveCommandAnswerBuilder> implements RetrieveFeatureDefinitionLiveCommand { @Nonnull @Override public String toString() { return getClass().getSimpleName() + "[" + super.toString() + "]"; } private  RetrieveFeatureDefinitionLiveCommandImpl(final RetrieveFeatureDefinition command); @Nonnull static RetrieveFeatureDefinitionLiveCommandImpl of(final Command<?> command); @Override String getFeatureId(); @Override RetrieveFeatureDefinitionLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders); @Nonnull @Override RetrieveFeatureDefinitionLiveCommandAnswerBuilder answer(); @Nonnull @Override String toString();  }
@Test public void toStringReturnsExpected() { assertThat(underTest.toString()) .contains(underTest.getClass().getSimpleName()) .contains("command=") .contains(retrieveFeatureDefinitionTwinCommand.toString()); }