code: public Set<Type> getTypes()
          throws CacheReloadException
      {
          final Set<Type> ret = new HashSet<>();
          for (final Long id : this.types) {
              ret.add(Type.get(id));
          }
          return Collections.unmodifiableSet(ret);
      }
docs: This is the getter method for instance variable {@link #types}.
  
  @return value of instance variable {@link #types}
  @see #types
  @throws CacheReloadException on error