ModifyAttributesLiveCommandImpl extends AbstractModifyLiveCommand<ModifyAttributesLiveCommand,
        ModifyAttributesLiveCommandAnswerBuilder> implements ModifyAttributesLiveCommand { @Override public ModifyAttributesLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders) { return new ModifyAttributesLiveCommandImpl( ModifyAttributes.of(getThingEntityId(), getAttributes(), dittoHeaders)); } private  ModifyAttributesLiveCommandImpl(final ModifyAttributes command); @Nonnull static ModifyAttributesLiveCommandImpl of(final Command<?> command); @Nonnull @Override Attributes getAttributes(); @Override Category getCategory(); @Override ModifyAttributesLiveCommand setDittoHeaders(final DittoHeaders dittoHeaders); @Override boolean changesAuthorization(); @Nonnull @Override ModifyAttributesLiveCommandAnswerBuilder answer(); @Nonnull @Override String toString();  }
@Test public void setDittoHeadersReturnsExpected() { final DittoHeaders emptyDittoHeaders = DittoHeaders.empty(); final ModifyAttributesLiveCommand newModifyAttributesLiveCommand = underTest.setDittoHeaders(emptyDittoHeaders); assertThat(newModifyAttributesLiveCommand).withDittoHeaders(emptyDittoHeaders); }