export declare const GCD_TOPIC = "default_topic";
export declare const GCD_REPLY_TOPIC = "default_reply_topic";
export declare const GCD_SUBSCRIPTION = "default_subscription";
export declare const GCD_REPLY_SUBSCRIPTION = "default_reply_subscription";
export declare const GCD_PUBLISHER_CONFIG: {};
export declare const GCD_SUBSCRIBER_CONFIG: {};
export declare const GCD_CLIENT_CONFIG: {};
export declare const GCD_NO_ACK = false;
export declare const GCD_ALREADY_EXISTS = 6;