+GtkCssValue * _gtk_css_style_property_get_initial_value
+ (GtkCssStyleProperty *property);
+
+void _gtk_css_style_property_print_value (GtkCssStyleProperty *property,
+ GtkCssValue *value,
+ GString *string);
+
+gboolean _gtk_css_style_property_changes_affect_size
+ (const GtkBitmask *changes);
+gboolean _gtk_css_style_property_changes_affect_font
+ (const GtkBitmask *changes);