text: /*! @file OIDExternalUserAgentCatalyst.h
     @brief AppAuth iOS SDK
     @copyright
         Copyright 2019 The AppAuth Authors. All Rights Reserved.
     @copydetails
         Licensed under the Apache License, Version 2.0 (the "License");
         you may not use this file except in compliance with the License.
         You may obtain a copy of the License at
  
         http://www.apache.org/licenses/LICENSE-2.0
  
         Unless required by applicable law or agreed to in writing, software
         distributed under the License is distributed on an "AS IS" BASIS,
         WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
         See the License for the specific language governing permissions and
         limitations under the License.
  */
  
  #import <TargetConditionals.h>
  
  #if TARGET_OS_IOS
  
  #import <UIKit/UIKit.h>
  
  #import "OIDExternalUserAgent.h"
  
  NS_ASSUME_NONNULL_BEGIN
  
  /*! @brief A Catalyst specific external user-agent that uses `ASWebAuthenticationSession` to
         present the request.
  */
  #endif
  
  #if !TARGET_OS_MACCATALYST
  @interface OIDExternalUserAgentCatalyst : NSObject<OIDExternalUserAgent>
  
  /*! @internal
      @brief Unavailable. Please use @c initWithPresentingViewController:
   */
  - (nonnull instancetype)init NS_UNAVAILABLE;
  
  /*! @brief The designated initializer.
      @param presentingViewController The view controller from which to present the
          \SFSafariViewController.
   */
  - (nullable instancetype)initWithPresentingViewController:
      (UIViewController *)presentingViewController
      NS_DESIGNATED_INITIALIZER;
  
  @end
  
  NS_ASSUME_NONNULL_END
  
  #endif // TARGET_OS_IOS || TARGET_OS_MACCATALYST
  