/*! //! [performance shader regen] \b {Performance note:} Causes shader change; do not change this property during animation. //! [performance shader regen] //! [performance item resize] \b {Performance note:} Causes a resize of the item; do not change this property during animation. //! [performance item resize] //! [performance item size] \b {Performance note:} Item size should be as small as possible for optimal performance. //! [performance item size] */