)
Not documented.
Source
void forEach(HeadersForEachCallback callback, [Object thisArg]) {
if (thisArg != null) {
_blink.BlinkHeaders.instance.forEach_Callback_2_(unwrap_jso(this), unwrap_jso(callback), thisArg);
return;
}
_blink.BlinkHeaders.instance.forEach_Callback_1_(unwrap_jso(this), unwrap_jso(callback));
return;
}