addGlobalHeader method
Adds a header with name headerName
and value headerValue
to all calls
made by this package.
This is a non blocking call and can be await
ed
Implementation
Future<void> addGlobalHeader(
{@required String headerName, @required String headerValue}) async {
return await _channel.invokeMethod(WLCLIENT_ADDGLOBALHEADER,
<String, dynamic>{HEADER_NAME: headerName, HEADER_VALUE: headerValue});
}