<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def _build_next_request(self, verb, prior_request, prior_response):
 """Builds pagination-aware request object. More details: https://developers.google.com/api-client-library/python/guide/pagination Args: verb (str):
 Request verb (ex. insert, update, delete). prior_request (httplib2.HttpRequest):
 Request that may trigger paging. prior_response (dict):
 Potentially partial response. Returns: httplib2.HttpRequest: HttpRequest or None. None is returned when there is nothing more to fetch - request completed. """

        method = getattr(self._component, verb + '_next')
        return method(prior_request, prior_response)