ModifyFeaturesLiveCommandImpl extends AbstractModifyLiveCommand<ModifyFeaturesLiveCommand,
        ModifyFeaturesLiveCommandAnswerBuilder> implements ModifyFeaturesLiveCommand { @Override public ModifyFeaturesLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders) { return new ModifyFeaturesLiveCommandImpl(ModifyFeatures.of(getThingEntityId(), getFeatures(), dittoHeaders)); } private  ModifyFeaturesLiveCommandImpl(final ModifyFeatures command); @Nonnull static ModifyFeaturesLiveCommandImpl of(final Command<?> command); @Nonnull @Override Features getFeatures(); @Override Category getCategory(); @Override ModifyFeaturesLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders); @Override boolean changesAuthorization(); @Nonnull @Override ModifyFeaturesLiveCommandAnswerBuilder answer(); @Nonnull @Override String toString();  }
@Test public void setDittoHeadersReturnsExpected() { final DittoHeaders emptyDittoHeaders = DittoHeaders.empty(); final ModifyFeaturesLiveCommand newModifyFeaturesLiveCommand = underTest.setDittoHeaders(emptyDittoHeaders); assertThat(newModifyFeaturesLiveCommand).withDittoHeaders(emptyDittoHeaders); }