public async Task Invoke(
Func <IDictionary <string, object>, Task> func,
CancellationToken cancellationToken)
{
Environment.Environment[OwinEnvironment.Owin.CallCancelled] = cancellationToken;
await func.Invoke(Environment.Environment).ConfigureAwait(false);
if (opaqueHandler != null)
{
var opaqueEnv = new OpaqueEnvironment(ConnectionStream, cancellationToken);
await opaqueHandler.Invoke(opaqueEnv.Environment).ConfigureAwait(false);
}
else
{
await ResponseBody.CompleteAsync(cancellationToken).ConfigureAwait(false);
}
}