export declare const $MsgVpnQueueSubscription: {
    properties: {
        subscriptionTopic: {
            type: string;
            isRequired: boolean;
        };
        attributes: {
            type: string;
        };
        tags: {
            type: string;
        };
        environments: {
            type: string;
            contains: {
                type: string;
            };
            isRequired: boolean;
        };
    };
};