onSendHeaders property
EventStream<OnSendHeadersDetails>
get
onSendHeaders
Fired just before a request is going to be sent to the server (modifications of previous onBeforeSendHeaders callbacks are visible by the time onSendHeaders is fired).
Implementation
EventStream<OnSendHeadersDetails> get onSendHeaders =>
$js.chrome.webRequest.onSendHeaders
.asStream(($c) => ($js.OnSendHeadersDetails details) {
return $c(OnSendHeadersDetails.fromJS(details));
}.toJS);