@interface _UIViewServiceDummyPopoverBackgroundView : UIPopoverBackgroundView { double arrowOffset; unsigned long long arrowDirection; } + (double)arrowHeight; + (double)arrowBase; + (struct UIEdgeInsets { double x0; double x1; double x2; double x3; })contentViewInsets; + (BOOL)wantsDefaultContentAppearance; - (struct CGSize { double x0; double x1; })_shadowOffset; - (double)_shadowRadius; - (unsigned long long)arrowDirection; - (void)setArrowOffset:(double)a0; - (double)_shadowOpacity; - (double)arrowOffset; - (void)setArrowDirection:(unsigned long long)a0; @end