def get_all_certs_keys():
Constructor.
dataset/ETHPy150Open letsencrypt/letsencrypt/certbot/interfaces.py/IInstaller.get_all_certs_keys--crossover with--dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/datastore_file_stub.py/DatastoreFileStub.__init__