Support Pointer Interactions while CI still running on Xcode 11.3

PSPDFPointerInteractionSupport.h

//
//  Copyright © 2020 PSPDFKit GmbH. All rights reserved.
//
//  THIS SOURCE CODE AND ANY ACCOMPANYING DOCUMENTATION ARE PROTECTED BY INTERNATIONAL COPYRIGHT LAW
//  AND MAY NOT BE RESOLD OR REDISTRIBUTED. USAGE IS BOUND TO THE PSPDFKIT LICENSE AGREEMENT.
//  UNAUTHORIZED REPRODUCTION OR DISTRIBUTION IS SUBJECT TO CIVIL AND CRIMINAL PENALTIES.
//  This notice may not be removed from this file.
//

#import <Foundation/Foundation.h>

// Compatibility with Xcode 11.2/11.3 (CI)
#if !__has_include(<UIKit/UIPointerRegion.h>)

NS_ASSUME_NONNULL_BEGIN
PSPDF_UNGUARDED_AVAILABILITY_BEGIN

typedef NS_OPTIONS(NSUInteger, UIAxis) {
    UIAxisNeither    = 0,
    UIAxisHorizontal = 1 << 0,
    UIAxisVertical   = 1 << 1,
    UIAxisBoth       = (UIAxisHorizontal | UIAxisVertical),
};


@class UIPointerInteraction, UITargetedPreview;

// merci to https://pastebin.com/f7wm3sr7
@interface UIPointerInteractionAnimator: NSObject

- (void)addAnimations:(void(^)(void))animations;
- (void)addCompletion:(void(^)(BOOL finished))completion;

@end

@interface UIPointerEffect : NSObject

@property (nonatomic, copy, readonly) UITargetedPreview *preview;
+ (instancetype)effectWithPreview:(UITargetedPreview *)preview;

@end

@interface UIPointerRegionRequest : NSObject
@property (nonatomic, readonly) CGPoint location;
@end

@interface UIPointerShape: NSObject

+ (instancetype)shapeWithPath:(UIBezierPath *)path;
+ (instancetype)shapeWithRoundedRect:(CGRect)rect cornerRadius:(CGFloat)radius;
+ (instancetype)beamWithPreferredLength:(CGFloat)preferredLength axis:(UIAxis)axis;

@end

@interface UIPointerRegion : NSObject

@property (nonatomic, readonly) CGRect rect;
@property (nonatomic, readonly, nullable) id<NSObject> identifier;

+ (instancetype)regionWithRect:(CGRect)rect identifier:(NSString *)identifier;

@end

@interface UIPointerStyle : NSObject

+ (instancetype)styleWithEffect:(UIPointerEffect *)effect shape:(nullable UIPointerShape *)shape;
+ (instancetype)styleWithShape:(UIPointerShape *)shape constrainedAxes:(UIAxis)axes;
+ (instancetype)hiddenPointerStyle;

@end

@interface UIButton (PSPDFPointerInteraction)

@property (nonatomic, readwrite, assign, getter = isPointerInteractionEnabled) BOOL pointerInteractionEnabled;

@end

PSPDF_UNGUARDED_AVAILABILITY_END
NS_ASSUME_NONNULL_END

#endif