Override @c Subscriber Default Endpoint

 namespace pubsub = ::google::cloud::pubsub; using ::google::cloud::Options; [](std::string const& project_id, std::string const& subscription_id) { // This service supports specifying a regional or locational endpoint prefix // when creating the SubscriptionAdminConnection. // For example, to connect to "europe-central2-pubsub.googleapis.com": auto sub = pubsub::Subscriber(pubsub::MakeSubscriberConnection( "europe-central2", pubsub::Subscription(project_id, subscription_id))); // This configuration is common with Private Google Access: // https://cloud.google.com/vpc/docs/private-google-access auto vpc_sub = pubsub::Subscriber(pubsub::MakeSubscriberConnection( pubsub::Subscription(project_id, subscription_id), Options{}.set<google::cloud::EndpointOption>( "private.googleapis.com"))); }