 
 func discoverUsersWithSkill(skillID: String, ofSkillSet skillSet: SkillSet, inPage page: Int, withPerPage perPage: Int, failureHandler: FailureHandler?, completion: [DiscoveredUser] -> Void) {
 
-    let requestParameters: [String: AnyObject] = [
+    let requestParameters: JSONDictionary = [
         "page": page,
         "per_page": perPage,
     ]

// MARK: - Register

func validateMobile(mobile: String, withAreaCode areaCode: String, failureHandler: FailureHandler?, completion: ((Bool, String)) -> Void) {
    let requestParameters = [
        "mobile": mobile,
        "phone_code": areaCode,
    ]


func searchUsersByQ(q: String, failureHandler: FailureHandler?, completion: [DiscoveredUser] -> Void) {

    let requestParameters: JSONDictionary = [
        "q": q
    ]

