Below, is a list of classes that may be updated with final or abstract.
The red stars mention possible upgrade by using final or abstract keywords;
The green stars mention a valid absence of the option (an extended class, that can't be final, ...);
The absence of star report currently configured classes.
.
| Final | Abstract | Name | Path |
| class Theme_SVG_Icons | \theme_svg_icons | ||
| class Customize_Alpha_Color_Control extends WP_Customize_Control | \customize_alpha_color_control |