Source
void extend(Node node, [int offset]) {
if (offset != null) {
_blink.BlinkSelection.instance.extend_Callback_2_(unwrap_jso(this), unwrap_jso(node), offset);
return;
}
_blink.BlinkSelection.instance.extend_Callback_1_(unwrap_jso(this), unwrap_jso(node));
return;
}