def METHOD_NAME(self):
    """
    Default Parameters
    ------------------
    cluster_res_key,
    method: str = 't_test', # t_test or wilcoxon_test
    case_groups: Union[str, np.ndarray, list] = 'all',
    control_groups: Union[str, np.ndarray, list] = 'rest',
    corr_method: str = 'benjamini-hochberg', # 'bonferroni', 'benjamini-hochberg'
    use_raw: bool = True,
    use_highly_genes: bool = True,
    hvg_res_key: Optional[str] = 'highly_variable_genes',
    res_key: str = 'marker_genes',
    output: Optional[str] = None,
    sort_by='scores',
    n_genes: Union[str, int] = 'all'
    """
    self.data.tl.find_marker_genes(cluster_res_key='leiden')