docs: def _raw_aspera_metadata(self, bucket):
          ''' get the Aspera connection details on Aspera enabled buckets '''
          response = self._client.get_bucket_aspera(Bucket=bucket)
  
          # Parse metadata from response
          aspera_access_key = response['AccessKey']['Id']
          aspera_secret_key = response['AccessKey']['Secret']
          ats_endpoint = response['ATSEndpoint']
  
          return aspera_access_key, aspera_secret_key, ats_endpoint