@class NSString; @interface CAGainMapLayer : CALayer @property (copy) NSString *renderMode; + (id)defaultValueForKey:(id)a0; + (BOOL)CA_automaticallyNotifiesObservers:(Class)a0; + (BOOL)_hasRenderLayerSubclass; - (BOOL)_renderLayerDefinesProperty:(unsigned int)a0; - (void *)_copyRenderLayer:(void *)a0 layerFlags:(unsigned int)a1 commitFlags:(unsigned int *)a2; - (void)didChangeValueForKey:(id)a0; @end