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#import <Foundation/Foundation.h>
#import "MGLFoundation.h"
#import "MGLStyleLayer.h"
NS_ASSUME_NONNULL_BEGIN
@class MGLSource;
/**
`MGLForegroundStyleLayer` is an abstract superclass for style layers whose
content is defined by an `MGLSource` object.
Create instances of `MGLRasterStyleLayer`, `MGLHillshadeStyleLayer`, and the
concrete subclasses of `MGLVectorStyleLayer` in order to use
`MGLForegroundStyleLayer`'s methods. Do not create instances of
`MGLForegroundStyleLayer` directly, and do not create your own subclasses of
this class.
*/
MGL_EXPORT
@interface MGLForegroundStyleLayer : MGLStyleLayer
#pragma mark Initializing a Style Layer
- (instancetype)init __attribute__((unavailable("Use -init methods of concrete subclasses instead.")));
#pragma mark Specifying a Style Layer’s Content
/**
Identifier of the source from which the receiver obtains the data to style.
*/
@property (nonatomic, readonly, nullable) NSString *sourceIdentifier;
@end
NS_ASSUME_NONNULL_END
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