# File lib/parser/source/rewriter/action.rb, line 28
      def to_s
        if @range.length == 0 && @replacement.empty?
          'do nothing'
        elsif @range.length == 0
          "insert #{@replacement.inspect}"
        elsif @replacement.empty?
          "remove #{@range.length} character(s)"
        else
          "replace #{@range.length} character(s) with #{@replacement.inspect}"
        end
      end