| Authenticator | Authenticator represents an implementation of an HTTP authentication
 mechanism. | 
| Authenticator.Result | Base class for return type from authenticate() method | 
| Filter | A filter used to pre- and post-process incoming requests. | 
| Filter.Chain | a chain of filters associated with a HttpServer. | 
| Headers | HTTP request and response headers are represented by this class which implements
 the interface
  Map< String,  List
 < String>>. | 
| HttpContext | HttpContext represents a mapping between the root URI path of an application
 to a  HttpHandler which is invoked to handle requests destined
 for that path on the associated HttpServer or HttpsServer. | 
| HttpExchange | This class encapsulates a HTTP request received and a
 response to be generated in one exchange. | 
| HttpHandler | A handler which is invoked to process HTTP exchanges. | 
| HttpPrincipal | Represents a user authenticated by HTTP Basic or Digest
 authentication. | 
| HttpsConfigurator | This class is used to configure the https parameters for each incoming
 https connection on a HttpsServer. | 
| HttpServer | This class implements a simple HTTP server. | 
| HttpsParameters | Represents the set of parameters for each https
 connection negotiated with clients. | 
| HttpsServer | This class is an extension of  HttpServer which provides
 support for HTTPS. |