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: markaby.rb
    path of file: ./repos/truffleruby/bench/sinatra/bundle/gems/tilt-2.0.10/lib/tilt
    
    the code of the file until where you have to start completion: require 'tilt/template'
req
    
    def self.builder_class
      @builder_class ||= Class.new(Markaby::Builder) do
        def __capture_markaby_tilt__(&block)
          __run_markaby_tilt__ do
            text capture(&block)
          end
        end
      end
    end