 
 extension ServiceTask {
     /// A closure type alias for handling the response as JSON.
-    public typealias JSONHandler = (AnyObject, NSURLResponse?) -> ServiceTaskResult
+    public typealias JSONHandler = (AnyObject, NSURLResponse?) throws -> ServiceTaskResult
     
     /**
      Add a response handler to serialize the response body as a JSON object. The

            
            do {
                let json = try NSJSONSerialization.JSONObjectWithData(data, options: NSJSONReadingOptions.AllowFragments)
                return handler(json, response)
            } catch let error {
                return .Failure(error)
            }

 via the `state` property.
*/
@objc public final class ServiceTask: NSObject {
    public typealias ResponseProcessingHandler = (NSData?, NSURLResponse?) throws -> ServiceTaskResult
    
    /// A closure type alias for a success handler.
    public typealias UpdateUIHandler = (Any?) -> Void
