def get_updates(self, id, project=None, top=None, skip=None):
        """GetUpdates.
        [Preview API] Returns a the deltas between work item revisions
        :param int id:
        :param str project: Project ID or project name
        :param int top:
        :param int skip:
        :rtype: [WorkItemUpdate]
        """
        route_values = {}
        if project is not None:
            route_values['project'] = self._serialize.url('project', project, 'str')
        if id is not None:
            route_values['id'] = self._serialize.url('id', id, 'int')
        query_parameters = {}
        if top is not None:
            query_parameters['$top'] = self._serialize.query('top', top, 'int')
        if skip is not None:
            query_parameters['$skip'] = self._serialize.query('skip', skip, 'int')
        response = self._send(http_method='GET',
                              location_id='6570bf97-d02c-4a91-8d93-3abe9895b1a9',
                              version='5.1-preview.3',
                              route_values=route_values,
                              query_parameters=query_parameters)
        return self._deserialize('[WorkItemUpdate]', self._unwrap_collection(response))
GetUpdates.
        [Preview API] Returns a the deltas between work item revisions
        :param int id:
        :param str project: Project ID or project name
        :param int top:
        :param int skip:
        :rtype: [WorkItemUpdate]