 
 func sendFriendRequestToUser(user: User, failureHandler: FailureHandler?, completion: FriendRequest.State -> Void) {
 
-    let requestParameters = [
+    let requestParameters: JSONDictionary = [
         "friend_id": user.userID,
     ]
 


func discoverUsers(masterSkillIDs masterSkillIDs: [String], learningSkillIDs: [String], discoveredUserSortStyle: DiscoveredUserSortStyle, inPage page: Int, withPerPage perPage: Int, failureHandler: FailureHandler?, completion: [DiscoveredUser] -> Void) {
    
    let requestParameters: [String: AnyObject] = [
        "master_skills": masterSkillIDs,
        "learning_skills": learningSkillIDs,
        "sort": discoveredUserSortStyle.rawValue,

        return
    }

    let requestParameters: JSONDictionary = [
        "max_id": beforeMessage.messageID
    ]

