def METHOD_NAME(self, options, args):
    # type: (Values, List[Any]) -> int
    logger.warning(
        "This command is only meant for debugging. "
        "Do not use this with automation for parsing and getting these "
        "details, since the output and options of this command may "
        "change without notice."
    )
    show_value('pip version', get_pip_version())
    show_value('sys.version', sys.version)
    show_value('sys.executable', sys.executable)
    show_value('sys.getdefaultencoding', sys.getdefaultencoding())
    show_value('sys.getfilesystemencoding', sys.getfilesystemencoding())
    show_value(
        'locale.getpreferredencoding', locale.getpreferredencoding(),
    )
    show_value('sys.platform', sys.platform)
    show_sys_implementation()
    show_value("'cert' config value", ca_bundle_info(self.parser.config))
    show_value("REQUESTS_CA_BUNDLE", os.environ.get('REQUESTS_CA_BUNDLE'))
    show_value("CURL_CA_BUNDLE", os.environ.get('CURL_CA_BUNDLE'))
    show_value("pip._vendor.certifi.where()", where())
    show_value("pip._vendor.DEBUNDLED", pip._vendor.DEBUNDLED)
    show_vendor_versions()
    show_tags(options)
    return SUCCESS