code: def parsNumberFromVersionTagString(self, versionTag: str) -> int:
      lastCharIndex = len(versionTag)
      indexOfDelimeter = versionTag.index("_")
      versionTagIndex = versionTag[indexOfDelimeter + 1 : lastCharIndex]
      return int(versionTagIndex)
  
imports: import logging
  import time
  from MONAILabelReviewerLib.MONAILabelReviewerEnum import Label
label_desc: Use image node_id 4 for calling the SegmentationMeta obj's underlying member method code with example usage: obj.parsNumberFromVersionTagString(versionTag) and returns: int