### Question:
CloverSerializerExtension extends JpsModelSerializerExtension { @NotNull @Override public List<? extends JpsModulePropertiesSerializer<?>> getModulePropertiesSerializers() { return Collections.emptyList(); }  @NotNull @Override List<? extends JpsGlobalExtensionSerializer> getGlobalExtensionSerializers(); @NotNull @Override List<? extends JpsModulePropertiesSerializer<?>> getModulePropertiesSerializers(); @NotNull @Override List<? extends JpsProjectExtensionSerializer> getProjectExtensionSerializers(); @Override void loadModuleOptions(@NotNull JpsModule module, @NotNull Element rootElement);  }### Answer:
@Test public void testGetModulePropertiesSerializers() { final List<? extends JpsModulePropertiesSerializer<?>> serializers = new CloverSerializerExtension().getModulePropertiesSerializers(); assertEquals(0, serializers.size()); }