Gem::Command#create_option_parser

# File tmp/rubies/ruby-4.0.0/lib/rubygems/command.rb, line 542
def create_option_parser
  @parser = Gem::OptionParser.new

  add_parser_options

  @parser.separator nil
  configure_options "Common", Gem::Command.common_options

  add_parser_run_info "Arguments", arguments
  add_parser_summary
  add_parser_description
  add_parser_run_info "Defaults", defaults_str
end