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: test_map_generator.rb
    path of file: ./repos/gitlabhq/tooling/lib/tooling
    
    the code of the file until where you have to start completion: # frozen_string_literal: true

require 'set' # rubocop:disable Lint/RedundantRequireStatement -- Ruby 3.1 and earlier needs this. Drop this line after Ruby 3.2+ is only supported.
require 'yaml'

module Tooling
  class TestMapGenerator
    def initia
    
    def parse(yaml_files)
      Array(yaml_files).each do |yaml_file|
        data = File.read(yaml_file)
        metadata, example_groups = data.split("---\n").reject(&:empty?).map do |yml|
          YAML.safe_load(yml, permitted_classes: [Symbol])
        end

        if example_groups.nil?
          puts "No examples in #{yaml_file}! Metadata: #{metadata}"
          next
        end

        example_groups.each do |example_id, files|
          files.each do |file|
            spec_file = strip_example_uid(example_id)
            @mapping[file] << spec_file.delete_prefix('./')
          end
        end
      end