# File lib/twitter/json_stream.rb, line 348
    def params
      flat = {}
      @options[:params].merge( :track => @options[:filters] ).each do |param, val|
        next if val.to_s.empty? || (val.respond_to?(:empty?) && val.empty?)
        val = val.join(",") if val.respond_to?(:join)
        flat[param.to_s] = val.to_s
      end
      flat
    end