pub unsafe extern "C" fn webkit_web_view_download_uri(
web_view: *mut WebKitWebView,
uri: *const c_char,
) -> *mut WebKitDownload
pub unsafe extern "C" fn webkit_web_view_download_uri(
web_view: *mut WebKitWebView,
uri: *const c_char,
) -> *mut WebKitDownload