class_docstr: An :class:`.Output` encapsulates a single :meth:`~flash.core.data.io.output.Output.transform` method which is
  used to convert the model output into the desired output format when predicting.
code: def __call__(self, sample: Any) -> Any:
      return self.transform(sample)
  
file_path: lightning-flash/src/flash/core/data/io/output.py
imports: from abc import abstractmethod
  from typing import Any
  import flash
  from flash.core.data.properties import Properties
label_desc: Use image node_id 3 for calling the Output obj's underlying member method code with example usage: obj.__call__(sample) and returns: self