export declare const GC_PUBSUB_DEFAULT_TOPIC = "default_topic";
export declare const GC_PUBSUB_DEFAULT_SUBSCRIPTION = "default_subscription";
export declare const GC_PUBSUB_DEFAULT_PUBLISHER_CONFIG: {};
export declare const GC_PUBSUB_DEFAULT_SUBSCRIBER_CONFIG: {};
export declare const GC_PUBSUB_DEFAULT_CLIENT_CONFIG: {};
export declare const GC_PUBSUB_DEFAULT_NO_ACK = true;
export declare const GC_PUBSUB_DEFAULT_INIT = true;
export declare const GC_PUBSUB_DEFAULT_CHECK_EXISTENCE = true;
export declare const GC_PUBSUB_DEFAULT_USE_ATTRIBUTES = false;
export declare const ALREADY_EXISTS = 6;