GetGitRepositoriesActivityMetrics.
        [Preview API] Retrieves git activity metrics for repositories matching a specified criteria.
        :param str project: Project ID or project name
        :param datetime from_date: Date from which, the trends are to be fetched.
        :param str aggregation_type: Bucket size on which, trends are to be aggregated.
        :param int skip: The number of repositories to ignore.
        :param int top: The number of repositories for which activity metrics are to be retrieved.
        :rtype: [RepositoryActivityMetrics]

def get_git_repositories_activity_metrics(self, project, from_date, aggregation_type, skip, top):
        """GetGitRepositoriesActivityMetrics.
        [Preview API] Retrieves git activity metrics for repositories matching a specified criteria.
        :param str project: Project ID or project name
        :param datetime from_date: Date from which, the trends are to be fetched.
        :param str aggregation_type: Bucket size on which, trends are to be aggregated.
        :param int skip: The number of repositories to ignore.
        :param int top: The number of repositories for which activity metrics are to be retrieved.
        :rtype: [RepositoryActivityMetrics]
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        query_parameters = {}
        if from_date is not None:
            query_parameters['fromDate'] = self._serialize.query('from_date', from_date, 'iso-8601')
        if aggregation_type is not None:
            query_parameters['aggregationType'] = self._serialize.query('aggregation_type', aggregation_type, 'str')
        if skip is not None:
            query_parameters['$skip'] = self._serialize.query('skip', skip, 'int')
        if top is not None:
            query_parameters['$top'] = self._serialize.query('top', top, 'int')
        response = self._send(http_method='GET',
                              location_id='df7fbbca-630a-40e3-8aa3-7a3faf66947e',
                              version='5.0-preview.1',
                              route_values=route_values,
                              query_parameters=query_parameters)
        return self._deserialize('[RepositoryActivityMetrics]', self._unwrap_collection(response))