@classmethod
def add_options(cls, options):
    """Add options to the OptionsManager."""
    cls.option_manager = options
    options.add_option('--outputdir', help=
        'Directory to save the HTML output.', parse_from_config=True,
        default='./flake8_dashboard')
    options.add_option('--debug', help=
        'Write additional debugging information as csv format.',
        parse_from_config=True, default=False, action='store_true')
    options.add_option('--title', help=
        "Set the dashboard's title. No title by default.",
        parse_from_config=True, default=None)
