You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: line_highlighting.rb
    path of file: ./repos/werf/docs/_plugins
    
    the code of the file until where you have to start completion: # Monkey-patch to allow highlighting lines
module Jekyll
    module Tags
        class HighlightBlock
            def render_rouge(code)
  
    
            def render_rouge(code)
                require "rouge"
                formatter = Rouge::Formatters::HTMLLineHighlighter.new(
                    ::Rouge::Formatters::HTML.new,
                    highlight_lines: parse_highlighted_lines(@highlight_options[:highlight_lines])
                )
                lexer = ::Rouge::Lexer.find_fancy(@lang, code) || Rouge::Lexers::PlainText
                formatter.format(lexer.lex(code))
            end