pub unsafe extern "C" fn webkit_back_forward_list_get_back_item(
back_forward_list: *mut WebKitBackForwardList
) -> *mut WebKitBackForwardListItem
pub unsafe extern "C" fn webkit_back_forward_list_get_back_item(
back_forward_list: *mut WebKitBackForwardList
) -> *mut WebKitBackForwardListItem