@interface _UIActivityGroupActivityCellTitleLabel : UILabel
- (void)traitCollectionDidChange:(id)a0;
- (void)setText:(id)a0;
- (struct CGSize { double x0; double x1; })sizeThatFits:(struct CGSize { double x0; double x1; })a0 sizeCategory:(id)a1;
- (void)updateFontWithSizeCategory:(id)a0;
@end