code: def getIdxTotalSegmented(self) -> str:
      return self.idxTotalSegmented
  
file_path: MONAILabel/plugins/slicer/MONAILabelReviewer/MONAILabelReviewerLib/ImageDataStatistics.py
label_desc: Use image node_id 4 for calling the ImageDataStatistics obj's underlying member method code with example usage: obj.getIdxTotalSegmented() and returns: self