getSyncT<T extends Object>  method 
Retrieves the synchronous dependency.
Implementation
@pragma('vm:prefer-inline')
Option<Sync<T>> getSyncT<T extends Object>(
  Type type, {
  Entity groupEntity = const DefaultEntity(),
  bool traverse = true,
}) {
  return getSyncK<T>(
    TypeEntity(type),
    groupEntity: groupEntity,
    traverse: traverse,
  );
}