def __len__(self):
        """
        Returns the number of entries in the NameLUT.
        """
        if self._entries is None:
            self._entries, self._cu_headers = self._get_entries()
        return len(self._entries)

        Returns the number of entries in the NameLUT.
        
product/runtime/src/main/python/java/_vendor/elftools/dwarf/namelut.py