export declare const SubscriptionAction: {
    readonly SUBSCRIPTION_ACTION_UNSPECIFIED: "SUBSCRIPTION_ACTION_UNSPECIFIED";
    readonly SUBSCRIPTION_ACTION_SUBSCRIBE: "SUBSCRIPTION_ACTION_SUBSCRIBE";
    readonly SUBSCRIPTION_ACTION_UNSUBSCRIBE: "SUBSCRIPTION_ACTION_UNSUBSCRIBE";
};
export type SubscriptionAction = 'SUBSCRIPTION_ACTION_UNSPECIFIED' | 0 | 'SUBSCRIPTION_ACTION_SUBSCRIBE' | 1 | 'SUBSCRIPTION_ACTION_UNSUBSCRIBE' | 2;
export type SubscriptionAction__Output = typeof SubscriptionAction[keyof typeof SubscriptionAction];