in lib/src/db/model_db_impl.dart [290:312]
void _tryLoadNewModelClassFull(
mirrors.ClassMirror modelClass, String name, bool useIntegerId) {
assert(!_modelDesc2Type.containsKey(modelClass.reflectedType));
_ModelDescription modelDesc;
if (_isExpandoClass(modelClass)) {
modelDesc = _ExpandoModelDescription(name, useIntegerId);
} else {
modelDesc = _ModelDescription(name, useIntegerId);
}
_type2ModelDesc[modelDesc] = modelClass.reflectedType;
_modelDesc2Type[modelClass.reflectedType] = modelDesc;
_modelDesc2ClassMirror[modelDesc] = modelClass;
_modelDesc2Properties[modelDesc] =
_propertiesFromModelDescription(modelClass);
// Ensure we have an empty constructor.
if (!hasDefaultConstructor(modelClass)) {
throw StateError('Class ${modelClass.simpleName} does not have a default '
'constructor.');
}
}