Source
void forEach(HeadersForEachCallback callback, [Object thisArg]) {
if (thisArg != null) {
_blink.BlinkHeaders.instance.forEach_Callback_2_(unwrap_jso(this), unwrap_jso((String value, String key, map) => callback(value, key, wrap_jso(map))), thisArg);
return;
}
_blink.BlinkHeaders.instance.forEach_Callback_1_(unwrap_jso(this), unwrap_jso((String value, String key, map) => callback(value, key, wrap_jso(map))));
return;
}