Get a value after converting to absolute path.
        Becoming different from other parameter,
        validation of `include` parameter is complex.
        Before other validation(at first) this method is called to merge to
        one configuration.

        :param str path: You can specify relative path and absolute path ,too.
        :rtype: str
        :return: absolute path

def _get_global_include_abs_path(self, path):
        """
        Get a value after converting to absolute path.
        Becoming different from other parameter,
        validation of `include` parameter is complex.
        Before other validation(at first) this method is called to merge to
        one configuration.

        :param str path: You can specify relative path and absolute path ,too.
        :rtype: str
        :return: absolute path
        """
        if not os.path.isabs(path):
            path = os.path.abspath(path)

        if os.path.isdir(path) or path.endswith('/'):
            path = os.path.join(path, '*')

        return path