def max_servers(self, resource_desc):  #pragma no cover
        raise NotImplementedError('max_servers')

    # To be implemented by real allocator.
Return the start date of the next interval.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/resource.py/ResourceAllocator.max_servers--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.5/django/views/generic/dates.py/DayMixin._get_next_day