@class PXPhotosViewModel, UIButton, NSString; @interface PXPhotosFilterToggleButtonController : NSObject <PXChangeObserver> @property (readonly, nonatomic) PXPhotosViewModel *viewModel; @property (readonly, nonatomic) UIButton *button; @property (readonly) unsigned long long hash; @property (readonly) Class superclass; @property (readonly, copy) NSString *description; @property (readonly, copy) NSString *debugDescription; - (void)observable:(id)a0 didChange:(unsigned long long)a1 context:(void *)a2; - (void).cxx_destruct; - (void)_updateButton; - (void)_setupButtonWithConfiguration:(id)a0; - (id)initWithViewModel:(id)a0 buttonConfiguration:(id)a1; @end