    # File lib/stella/client.rb, line 368
        def response_handler(range=nil, &blk)
          @response_handler ||= {}
          return @response_handler if range.nil? && blk.nil?
          range = 0..999 if range.nil? || range.zero?
          range = range.to_i..range.to_i unless Range === range
          @response_handler[range] = blk unless blk.nil?
          @response_handler[range]
        end