class_docstr: Extends the MetricCollection class for use in the Anomalib pipeline.
docstr: Returns a boolean indicating if the update method has been called at least once.
docstr_tok: ["Returns","a","boolean","indicating","if","the","update","method","has","been","called","at","least","once","."]
code: def update_called(self) -> bool:
      """Returns a boolean indicating if the update method has been called at least once."""
      return self._update_called
  
file_path: anomalib/src/anomalib/utils/metrics/collection.py
imports: from torchmetrics import MetricCollection
label_desc: Use image node_id 4 for calling the AnomalibMetricCollection obj's underlying member method code with example usage: obj.update_called() and returns: self