def METHOD_NAME(sorter_name_or_class):
    """Returns default parameters for the specified sorter.
    Parameters
    ----------
    sorter_name_or_class: str or SorterClass
        The sorter to retrieve default parameters from.
    Returns
    -------
    default_params: dict
        Dictionary with default params for the specified sorter.
    """
    if isinstance(sorter_name_or_class, str):
        SorterClass = sorter_dict[sorter_name_or_class]
    elif sorter_name_or_class in sorter_full_list:
        SorterClass = sorter_name_or_class
    else:
        raise (ValueError("Unknown sorter"))
    return SorterClass.default_params()