WebKit2WebExtensionDOMCSSStyleSheetinsert_rule

gulong
webkit_dom_css_style_sheet_insert_rule (
  WebKitDOMCSSStyleSheet* self,
  const gchar* rule,
  gulong index,
  GError** error
)

No description available.

Deprecated since:	2.22
Use JavaScriptCore API instead.

`rule`	`const gchar*`
	A #gchar.
	The data is owned by the caller of the function.
	The value is a NUL terminated UTF-8 string.
`index`	`gulong`
	A #gulong.
`error`	`GError **`
	The return location for a `GError*`, or `NULL`.

Returns:	`gulong`
	A #gulong.