### Question:
ObservableSource extends TypedString<ObservableSource> { @FromString public static ObservableSource of(String name) { return new ObservableSource(name); } private  ObservableSource(String name); @FromString static ObservableSource of(String name); static final ObservableSource NONE; }### Answer:
@Test public void coverage() { ObservableSource test = ObservableSource.of("Foo"); assertThat(test.toString()).isEqualTo("Foo"); assertSerialization(test); assertJodaConvert(ObservableSource.class, test); }