DmrModelString extends DmrModelValue implements ModelString { @Override public String getValue() { if (!isDefined()) return null; return value.asString(); } DmrModelString(final ModelNode value); @Override String getValue(); @Override ModelString set(String value); @Override T asValue(Class<T> valueType);  }
@Test public void testInitial_Value() { assertNull(modelString().getValue()); }