_def = def; _isNotNull = isNotNull; _isUnmarshallNullAsFalse = isUnmarshallNullAsFalse;
this(def, isNotNull, false);
  public JavaMarshall(JavaClassDef def,                      boolean isNotNull,                      boolean isUnmarshallNullAsFalse)  {    _def = def;    _isNotNull = isNotNull;    _isUnmarshallNullAsFalse = isUnmarshallNullAsFalse;  }