code: def get_package_metadata(self, feed_id, package_name, package_version, intent=None):
          
          route_values = {}
          if feed_id is not None:
              route_values['feedId'] = self._serialize.url('feed_id', feed_id, 'str')
          if package_name is not None:
              route_values['packageName'] = self._serialize.url('package_name', package_name, 'str')
          if package_version is not None:
              route_values['packageVersion'] = self._serialize.url('package_version', package_version, 'str')
          query_parameters = {}
          if intent is not None:
              query_parameters['intent'] = self._serialize.query('intent', intent, 'str')
          response = self._send(http_method='GET',
                                location_id='4cdb2ced-0758-4651-8032-010f070dd7e5',
                                version='5.0-preview.1',
                                route_values=route_values,
                                query_parameters=query_parameters)
          return self._deserialize('UPackPackageMetadata', response)
docs: GetPackageMetadata.
          [Preview API]
          :param str feed_id:
          :param str package_name:
          :param str package_version:
          :param str intent:
          :rtype: :class:`<UPackPackageMetadata> <azure.devops.v5_0.upack_packaging.models.UPackPackageMetadata>`