MyCSS_VALUES_TEXT_DECORATION_LINE_OVERLINE

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
extern (C)
enum MyCSS_VALUES_TEXT_DECORATION_LINE_OVERLINE = mycss_values_text_decoration_line.MyCSS_VALUES_TEXT_DECORATION_LINE_OVERLINE;

Meta