class_docstr: Factorization Machines base class.
docstr: Return combinations for interactions.
docstr_tok: ["Return","combinations","for","interactions","."]
code: def _interaction_combination_keys(self, x) -> Iterable:
      """Return combinations for interactions."""
  
imports: from __future__ import annotations
  import abc
  import collections
  import numbers
  from collections.abc import Iterable
  import numpy
  from river import optim, utils
label_desc: Use image node_id 11 for calling the BaseFM obj's underlying member method code with example usage: obj._interaction_combination_keys(x) without return types