def get_stable_id(self):
return (<EOL>f"<STR_LIT>"<EOL>f"<STR_LIT>"<EOL>f"<STR_LIT>"<EOL>f"<STR_LIT::>"<EOL>f"<STR_LIT>"<EOL>f"<STR_LIT::>"<EOL>f"<STR_LIT>"<EOL>)<EOL>
Return a stable id for the ``CellMention``.