keras/src/ops/nn.py/CTCDecode/call
class CTCDecode:    def call(self, inputs, sequence_lengths):
        return backend.nn.ctc_decode(
            inputs,
            sequence_lengths,
            strategy=self.strategy,
            beam_width=self.beam_width,
            top_paths=self.top_paths,
            merge_repeated=self.merge_repeated,
            mask_index=self.mask_index,
        )