Allows for a subset of tiers to be retrieved. If the known space is not created yet, then the whole tier list is sent to known space constructor, this is so future requests to known space do not need to worry about if the tier has been initialised for caching purposes.
The default refresh() sends in the whole list of tiers to retrieve. This fix allows for fast retrieval of specific tiers.
Allows for a subset of tiers to be retrieved. If the known space is not created yet, then the whole tier list is sent to known space constructor, this is so future requests to known space do not need to worry about if the tier has been initialised for caching purposes.
The default refresh() sends in the whole list of tiers to retrieve. This fix allows for fast retrieval of specific tiers.