docs: def setAccessPolicyResponse(
          self, pid, accessPolicy, serialVersion, vendorSpecific=None
      ):
          """CNAuthorization.setAccessPolicy(session, pid, accessPolicy, serialVersion) →
          boolean https://releases.dataone.org/online/api-
          documentation-v2.0.1/apis/CN_APIs.html#CNAuthorization.setAccessPolicy.
  
          Args:
            pid:
            accessPolicy:
            serialVersion:
            vendorSpecific:
  
          Returns:
  
          """
          mmp_dict = {
              'serialVersion': str(serialVersion),
              'accessPolicy': ('accessPolicy.xml', accessPolicy.toxml('utf-8')),
          }
          return self.PUT(['accessRules', pid], fields=mmp_dict, headers=vendorSpecific)