issue with no access to MaskRefinerSAM

[Kaizen-pixel01]

Hey, I was looking to test UltraSam on a different medical image dataset but I ran into the following issue:

"KeyError: 'MaskRefinerSAM is not in the mmdet::model registry. Please check whether the value of MaskRefinerSAM is correct or it was registered as expected. More details can be found at https://mmengine.readthedocs.io/en/latest/advanced_tutorials/config.html#import-the-custom-module' ".

I was wondering if there was a work around for this or whether I would be able to access the implemenation files for MasjRefinerSAM and any others that may lead to errors for this testing. Thanks in advance!