Index.get_indexer_non_unique(target)

Index.itemsize return the size of the dtype of the item of the underlying data

Index.delete(loc)

Index.sort(*args, **kwargs)

Index.take(indices, axis=0, allow_fill=True, fill_value=None, **kwargs)

Index.is_floating()

Index.values return the underlying data as an ndarray

Index.asi8 = None

Index.summary(name=None)