'Return the list of health checks.
:return: A list of health check objects.
:rtype: ``list`` of :class:`GCEHealthCheck`'

def ex_list_healthchecks(self):

    list_healthchecks = []
    request = '/global/httpHealthChecks'
    response = self.connection.request(request, method='GET').object
    list_healthchecks = [self._to_healthcheck(h) for h in response.get('items', [])]
    return list_healthchecks
