keras/src/layers/preprocessing/hashing.py/Hashing/get_config
class Hashing:    def get_config(self):
        config = super().get_config()
        config.update(
            {
                "num_bins": self.num_bins,
                "salt": self.salt,
                "mask_value": self.mask_value,
                "output_mode": self.output_mode,
                "sparse": self.sparse,
            }
        )
        return config