public event EventHandler AcquireRequestState;
public event EventHandler AuthenticateRequest;
public event EventHandler AuthorizeRequest;
public event EventHandler BeginRequest;
public event EventHandler Disposed;
public event EventHandler EndRequest;
public event EventHandler Error;
public event EventHandler PostRequestHandlerExecute;
public event EventHandler PreRequestHandlerExecute;
public event EventHandler PreSendRequestContent;
public event EventHandler PreSendRequestHeaders;
public event EventHandler ReleaseRequestState;
public event EventHandler ResolveRequestCache;
public event EventHandler UpdateRequestCache;