new (Net::SSH::Service::AgentForward::Driver)

    # File lib/net/ssh/service/agentforward/driver.rb, line 25
              def initialize( connection, buffers, log, agent )
                @connection = connection
                @buffers = buffers
                @log = log
                @agent = agent
                @data = ''

                @connection.add_channel_open_handler(
                  "auth-agent@openssh.com", &method(:do_open_channel) )
              end