# File lib/rubygems/config_file.rb, line 167
  def each(&block)
    hash = @hash.dup
    hash.delete :update_sources
    hash.delete :verbose
    hash.delete :benchmark
    hash.delete :backtrace
    hash.delete :bulk_threshold

    yield :update_sources, @update_sources
    yield :verbose, @verbose
    yield :benchmark, @benchmark
    yield :backtrace, @backtrace
    yield :bulk_threshold, @bulk_threshold

    yield 'config_file_name', @config_file_name if @config_file_name

    hash.each(&block)
  end