global enum RecommendationExplanationType {
ARTICLEHASRELATEDCONTENT,
ARTICLEVIEWEDTOGETHER,
ARTICLEVIEWEDTOGETHERWITHVIEWERS,
CUSTOM,
FILEPOPULAR,
FILEVIEWEDTOGETHER,
FOLLOWEDTOGETHERWITHFOLLOWEES,
GROUPMEMBERSFOLLOWED,
GROUPNEW,
GROUPPOPULAR,
ITEMVIEWEDTOGETHER,
POPULARAPP,
RECORDOWNED,
RECORDPARENTOFFOLLOWED,
RECORDVIEWED,
TOPICFOLLOWEDTOGETHER,
TOPICFOLLOWEDTOGETHERWITHFOLLOWEES,
TOPICPOPULARFOLLOWED,
TOPICPOPULARLIKED,
USERDIRECTREPORT,
USERFOLLOWEDTOGETHER,
USERFOLLOWSSAMEUSERS,
USERMANAGER,
USERNEW,
USERPEER,
USERPOPULAR,
USERVIEWINGSAMERECORDS
}