text: //
  //  GADAdLoader.h
  //  Google Mobile Ads SDK
  //
  //  Copyright 2015 Google Inc. All rights reserved.
  //
  
  #import <Foundation/Foundation.h>
  #import <UIKit/UIKit.h>
  
  #import <GoogleMobileAds/GADAdLoaderDelegate.h>
  #import <GoogleMobileAds/GADRequest.h>
  #import <GoogleMobileAds/GADRequestError.h>
  #import <GoogleMobileAds/GoogleMobileAdsDefines.h>
  
  GAD_ASSUME_NONNULL_BEGIN
  
  /// Loads ads. See GADAdLoaderAdTypes.h for available ad types.
  @interface GADAdLoader : NSObject
  
  /// Object notified when an ad request succeeds or fails. Must conform to requested ad types'
  /// delegate protocols.
  @property(nonatomic, weak, GAD_NULLABLE) id<GADAdLoaderDelegate> delegate;
  
  /// The ad loader's ad unit ID.
  @property(nonatomic, readonly) NSString *adUnitID;
  
  /// Returns an initialized ad loader configured to load the specified ad types.
  ///
  /// @param rootViewController The root view controller is used to present ad click actions.
  /// @param adTypes An array of ad types. See GADAdLoaderAdTypes.h for available ad types.
  /// @param options An array of GADAdLoaderOptions objects to configure how ads are loaded, or nil to
  /// use default options. See each ad type's header for available GADAdLoaderOptions subclasses.
  - (instancetype)initWithAdUnitID:(NSString *)adUnitID
                rootViewController:(UIViewController *GAD_NULLABLE_TYPE)rootViewController
                           adTypes:(NSArray *)adTypes
                           options:(NSArray *GAD_NULLABLE_TYPE)options;
  
  /// Loads the ad and informs the delegate of the outcome.
  - (void)loadRequest:(GADRequest *GAD_NULLABLE_TYPE)request;
  
  @end
  
  /// Ad loader options base class. See each ad type's header for available GADAdLoaderOptions
  /// subclasses.
  @interface GADAdLoaderOptions : NSObject
  @end
  
  GAD_ASSUME_NONNULL_END
  