class_docstr: A supervised transformer that can operate on mini-batches.
class_docstr_tok: ["A","supervised","transformer","that","can","operate","on","mini-batches","."]
code: def _supervised(self):
      return True
  
imports: from __future__ import annotations
  import abc
  import typing
  from river import base
label_desc: Use image node_id 1 for calling the MiniBatchSupervisedTransformer obj's underlying member method code with example usage: obj._supervised() and returns: True