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#import <Foundation/Foundation.h>
#if TARGET_OS_IPHONE
#import <UIKit/UIKit.h>
#else
#import <Cocoa/Cocoa.h>
#endif
#import "MGLTypes.h"
NS_ASSUME_NONNULL_BEGIN
@interface NSExpression (MGLAdditions)
/**
Returns an expression equivalent to the given Foundation object deserialized
from JSON data.
The Foundation object is interpreted according to the
[Mapbox Style Specification](https://www.mapbox.com/mapbox-gl-js/style-spec/#expressions).
See the “[Predicates and Expressions](../predicates-and-expressions.html)”
guide for a correspondence of operators and types between the style
specification and the `NSExpression` representation used by this SDK.
@param object A Foundation object deserialized from JSON data, for example
using `NSJSONSerialization`.
@return An initialized expression equivalent to `object`, suitable for use as
the value of a style layer attribute.
*/
+ (instancetype)mgl_expressionWithJSONObject:(id)object;
/**
An equivalent Foundation object that can be serialized as JSON.
The Foundation object conforms to the
[Mapbox Style Specification](https://www.mapbox.com/mapbox-gl-js/style-spec/#expressions).
See the “[Predicates and Expressions](../predicates-and-expressions.html)”
guide for a correspondence of operators and types between the style
specification and the `NSExpression` representation used by this SDK.
You can use `NSJSONSerialization` to serialize the Foundation object as data to
write to a file.
*/
@property (nonatomic, readonly) id mgl_jsonExpressionObject;
@end
NS_ASSUME_NONNULL_END
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