MyCSS_PROPERTY_TEXT_DECORATION_STYLE_DOUBLE

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_PROPERTY_TEXT_DECORATION_STYLE_DOUBLE = mycss_property_text_decoration_style.MyCSS_PROPERTY_TEXT_DECORATION_STYLE_DOUBLE;

Meta