returnValue.insert_Object(null);
break;
case TCKind._tk_TypeCode:
// a type code with a TCKind value of tk_null for type codes
// We can reuse the type code that's already in the any.
returnValue.insert_TypeCode(returnValue.type());
break;
case TCKind._tk_any:
// for Any values, an Any containing a type code with a TCKind value
// of tk_null type and no value.
// This is exactly what the default AnyImpl constructor provides.