{
VALID_WINDOW_OR_NULL(split, return NULL);
g_return_val_if_fail(method == (method & (winmethod_DirMask | winmethod_DivisionMask)), NULL);
{
VALID_WINDOW_OR_NULL(split, return NULL);
g_return_val_if_fail(method == (method & (winmethod_DirMask | winmethod_DivisionMask)), NULL);
g_return_if_fail(g_node_is_ancestor(win->window_node, keywin->window_node));
}
g_return_if_fail(method == (method & (winmethod_DirMask | winmethod_DivisionMask)));
g_return_if_fail(g_node_is_ancestor(win->window_node, keywin->window_node));
}
g_return_if_fail(method == (method & (winmethod_DirMask | winmethod_DivisionMask)));