pub unsafe extern "C" fn webkit_dom_document_create_tree_walker(
self_: *mut WebKitDOMDocument,
root: *mut WebKitDOMNode,
whatToShow: c_ulong,
filter: *mut WebKitDOMNodeFilter,
expandEntityReferences: gboolean,
error: *mut *mut GError
) -> *mut WebKitDOMTreeWalker