public void setFriends(List<FoursquareUserFriend> friends) {
        this.friends = friends;
    }
<p>Setter for the field <code>friends</code>.</p>

@param friends a {@link List} object
pac4j-oauth/src/main/java/org/pac4j/oauth/profile/foursquare/FoursquareUserFriendGroup.java