#import <Foundation/Foundation.h>

NS_ASSUME_NONNULL_BEGIN

/**
 * A 2D or 3D point in the image.  A valid point must have both x and y coordinates.  The point's
 * coordinates are in the same scale as the original image.
 */
NS_SWIFT_NAME(VisionPoint)
@interface FIRVisionPoint : NSObject

/**
 * X coordinate.  The value is float.
 */
@property(nonatomic, readonly) NSNumber *x;

/**
 * Y coordinate.  The value is float.
 */
@property(nonatomic, readonly) NSNumber *y;

/**
 * Z coordinate (or depth).  The value is float.  Z is nil if it is a 2D point.
 */
@property(nonatomic, readonly, nullable) NSNumber *z;

/**
 * Unavailable.
 */
- (instancetype)init NS_UNAVAILABLE;

@end

NS_ASSUME_NONNULL_END