public long getConnectedAt(TimeUnit unit) {
        return parentRequest.getConnectedAt(unit);
    }
<p>For server requests, this returns the timestamp of when the underlying HTTP channel was connected.

@param unit the unit to return the time in
@return the timestamp of when the underlying HTTP channel was connected, or request creation time
container-core/src/main/java/com/yahoo/container/jdisc/HttpRequest.java