    # File lib/termtter/httppool.rb, line 44
        def self.http_class
          @@http_class ||=
            if config.proxy.host.nil? or config.proxy.host.empty?
              Net::HTTP
            else
              Net::HTTP::Proxy(
                config.proxy.host,
                config.proxy.port,
                config.proxy.user_name,
                config.proxy.password)
            end
        end