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: configurable.rb
    path of file: ./repos/test-kitchen/lib/kitchen
    
    the code of the file until where you have to start completion: #
# Author:: Fletcher Nichol (<fnichol@nichol.ca>)
#
# Copyright (C) 2014, Fletcher
    
    def calculate_path(path, opts = {})
      type = opts.fetch(:type, :directory)
      base = opts.fetch(:base_path) do
        config.fetch(:test_base_path) do |key|
          raise UserError, "#{key} is not found in #{self}"
        end
      end

      [
        File.join(base, instance.suite.name, path),
        File.join(base, path),
        File.join(Dir.pwd, path),
      ].find do |candidate|
        type == :directory ? File.directory?(candidate) : File.file?(candidate)
      end
    end