def set_state(self, state):
        raise NotImplementedError()
Find all existing keys, certs from configuration.
dataset/ETHPy150Open EricssonResearch/calvin-base/calvin/runtime/south/plugins/io/gpio/base_gpiopin.py/GPIOPinBase.set_state--crossover with--dataset/ETHPy150Open letsencrypt/letsencrypt/certbot-apache/certbot_apache/configurator.py/ApacheConfigurator.get_all_certs_keys