code: def list_vault_ec2_certificate_configurations(self, mount_point='aws-ec2'):
          
          params = {'list': True}
          return self._adapter.get('/v1/auth/{0}/config/certificates'.format(mount_point), params=params).json()
docs: GET /auth/<mount_point>/config/certificates?list=true
  
          :param mount_point:
          :type mount_point:
          :return:
          :rtype: