text: //  Copyright 2015 Microsoft Corporation
  //
  //  Permission is hereby granted, free of charge, to any person obtaining a copy
  //  of this software and associated documentation files (the "Software"), to deal
  //  in the Software without restriction, including without limitation the rights
  //  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  //  copies of the Software, and to permit persons to whom the Software is
  //  furnished to do so, subject to the following conditions:
  //  
  //  The above copyright notice and this permission notice shall be included in
  //  all copies or substantial portions of the Software.
  //  
  //  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  //  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  //  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  //  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  //  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  //  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  //  THE SOFTWARE.
  //
  @class ODAppConfiguration, ODServiceInfo;
  
  #import <Foundation/Foundation.h>
  #import <UIKit/UIKit.h>
  #import <WebKit/WebKit.h>
  
  /**
   A completion handler to be called when the discovery service has completed.
   */
  typedef void(^disambiguationCompletion)(UIViewController *presentedDiscoveryController, ODServiceInfo *serviceInfo, NSError *error);
  
  /**
   The `ODServiceInfoProvider` provides the correct service info to use. It will invoke the UI to prompt the user for their email.
   */
  @interface ODServiceInfoProvider : NSObject <WKNavigationDelegate>
  
  /**
   Starts the discovery service flow to discover the correct service info object to use.
   @param viewController The provider will Invoke the UI to prompt the user for their email. This is the parent view controller to present the UI on.
   @param appConfig The app configuration for this application.
   @param completionHandler A disambiguationCompletion handler that will be called when the discovery service has completed.
   */
  - (void)getServiceInfoWithViewController:(UIViewController *)viewController
                          appConfiguration:(ODAppConfiguration *)appConfig
                                completion:(disambiguationCompletion)completionHandler;
  
  @end
  