module Protocol::HTTP::Middleware::HelloWorld

@returns [Response] The response object, whihc always contains "Hello World!".
@parameter request [Request] The request object.

Call the middleware with the given request.

def self.call(request)
	Response[200, Headers["content-type" => "text/plain"], ["Hello World!"]]
end

Close the middleware - idempotent no-op.

def self.close
end