# File lib/rhc/highline_extensions.rb, line 123
    def indent(increase=1, statement=nil, multiline=nil)
      @indent_size ||= 2
      @indent_level ||= 0
      @indent_level += increase
      multi = @multi_indent
      @multi_indent = multiline unless multiline.nil?
      if block_given?
          yield self
      else
          say(statement)
      end
    ensure
      @multi_indent = multi
      @indent_level -= increase
    end