def METHOD_NAME(cls, config: BaseConfigLoader) -> 'MSSQL':
    return cls(
        database=config[ConfigKey.MSSQL_DATABASE],
        schema=config[ConfigKey.MSSQL_SCHEMA],
        driver=config[ConfigKey.MSSQL_DRIVER],
        host=config[ConfigKey.MSSQL_HOST],
        password=config[ConfigKey.MSSQL_PASSWORD],
        port=config[ConfigKey.MSSQL_PORT],
        user=config[ConfigKey.MSSQL_USER],
    )