src/transformers/models/layoutlmv3/tokenization_layoutlmv3.py/LayoutLMv3Tokenizer/_convert_id_to_token
class LayoutLMv3Tokenizer:    def _convert_id_to_token(self, index):
        """Converts an index (integer) in a token (str) using the vocab."""
        return self.decoder.get(index)