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            add_env_var_help: Whether to add something to the help message for
                args that can be set through environment variables.
            auto_env_var_prefix: If set to a string instead of None, all config-
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                variables whose names are this prefix followed by the config
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                environment variable)
            default_config_files: When specified, this list of config files will
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                taking precedence over previous ones. This allows an application
                to look for config files in multiple standard locations such as
                the install directory, home directory, and current directory.
                Also, shell \* syntax can be used to specify all conf files in a
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                    ["/etc/conf/app_config.ini",
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            ignore_unknown_config_file_keys: If true, settings that are found
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            config_file_open_func: function used to open a config file for reading
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            config_file_parser_class: configargparse.ConfigFileParser subclass
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            args_for_setting_config_path: A list of one or more command line
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            config_arg_is_required: When args_for_setting_config_path is set,
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            config_arg_help_message: the help message to use for the
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            args_for_writing_out_config_file: A list of one or more command line
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