code: @Override
      public IDataType onTypeFault(String typeName) throws AtlasException {
  
          // Type is not cached - check the type store.
          // Any super and attribute types needed by the requested type
          // which are not cached will also be loaded from the store.
          Context context = new Context();
          TypesDef typesDef = getTypeFromStore(typeName, context);
          if (typesDef.isEmpty()) {
              // Type not found in the type store.
              return null;
          }
  
          // Add all types that were loaded from the store to the cache.
          TransientTypeSystem transientTypeSystem = typeSystem.createTransientTypeSystem(context.getTypesDef(), false);
          Map<String, IDataType> typesAdded = transientTypeSystem.getTypesAdded();
          putAll(typesAdded.values());
          return typesAdded.get(typeName);
      }
docs: Check the type store for the requested type.
  If found in the type store, the type and any required super and attribute types
  are loaded from the type store, and added to the cache.