def METHOD_NAME(X, y=None, session=None, run_kwargs=None):
    """Placeholder for fit. Subclasses should implement this method!
    Fit the model with X.
    Parameters
    ----------
    X : array-like, shape (n_samples, n_features)
        Training data, where n_samples is the number of samples and
        n_features is the number of features.
    Returns
    -------
    self : object
        Returns the instance itself.
    """