declare function isRootActivityValid(activity: any): boolean;
declare function isActivityValid(activity: any): any;
declare function isFlagActivityValid(activity: any): boolean;
declare function isLikeActivityValid(activity: any): boolean;
declare function isDislikeActivityValid(activity: any): boolean;
declare function isAnnounceActivityValid(activity: any): boolean;
declare function isViewActivityValid(activity: any): boolean;
declare function isCreateActivityValid(activity: any): boolean;
declare function isUpdateActivityValid(activity: any): boolean;
declare function isDeleteActivityValid(activity: any): boolean;
declare function isFollowActivityValid(activity: any): boolean;
declare function isAcceptActivityValid(activity: any): boolean;
declare function isRejectActivityValid(activity: any): boolean;
declare function isUndoActivityValid(activity: any): boolean;
export { isRootActivityValid, isActivityValid, isFlagActivityValid, isLikeActivityValid, isDislikeActivityValid, isAnnounceActivityValid, isViewActivityValid, isCreateActivityValid, isUpdateActivityValid, isDeleteActivityValid, isFollowActivityValid, isAcceptActivityValid, isRejectActivityValid, isUndoActivityValid };
//# sourceMappingURL=activity.d.ts.map