code: def set_branching_model(self, project, repository, data):
          
          url = 'rest/branch-utils/1.0/projects/{project}/repos/{repository}/branchmodel/configuration'.format(
              project=project,
              repository=repository)
          return self.put(url, data=data)
docs: Set branching model
          :param project:
          :param repository:
          :param data:
          :return: