@class NSMutableArray; @interface SizeContext : NSObject { NSMutableArray *_windowContextStack; } + (id)sharedInstance; - (id)init; - (id)viewHierarchyForCurrentContext; - (BOOL)hasViewHierarchyForCurrentContext; - (void).cxx_destruct; - (void)popContextFromViewHierarchy:(id)a0; - (void)pushContextWithViewHierarchy:(id)a0; @end