ImmutableJsonBoolean extends AbstractJsonValue { @Override public boolean isBoolean() { return true; } private  ImmutableJsonBoolean(final boolean theValue); static ImmutableJsonBoolean of(final boolean value); @Override boolean isBoolean(); @Override boolean asBoolean(); @Override boolean equals(final Object o); @Override int hashCode(); @Override String toString(); @Override void writeValue(final SerializationContext serializationContext); @Override long getUpperBoundForStringSize();  }
@Test public void isBoolean() { assertThat(underTest.isBoolean()).isTrue(); }