@class NSString, SBUILegibilityCache, NSOperationQueue; @interface SBUILegibilityDefaultEngine : NSObject <SBUILegibilityEngine> { SBUILegibilityCache *_legibilityCache; NSString *_engineIdentifier; NSOperationQueue *_asyncOperationQueue; } @property (nonatomic) BOOL useMinFillHeightForTemplateGeneration; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; + (id)defaultEngine; - (id)applyStrength:(double)a0 toImage:(id)a1 settings:(id)a2; - (id)initWithEngineIdentifier:(id)a0; - (void)prewarmForSettings:(id)a0 maxSize:(struct CGSize { double x0; double x1; })a1 minSize:(struct CGSize { double x0; double x1; })a2 scale:(double)a3; - (void).cxx_destruct; - (void)executeLegibilityUpdateForContainer:(id)a0 forImage:(id)a1 settings:(id)a2 strength:(double *)a3 engineResult:(struct { BOOL x0; } *)a4; - (struct CGSize { double x0; double x1; })calculateShadowImageViewSizeForOriginalImage:(id)a0 shadowImage:(id)a1 settings:(id)a2; - (id)executeAsyncLegibilityUpdateForContainer:(id)a0 image:(id)a1 settings:(id)a2 strength:(double *)a3 completion:(id /* block */)a4; - (void)_teardownCaches:(id)a0; @end