src/transformers/models/big_bird/modeling_flax_big_bird.py/FlaxBigBirdLMPredictionHead/setup
class FlaxBigBirdLMPredictionHead:    def setup(self):
        self.transform = FlaxBigBirdPredictionHeadTransform(self.config, dtype=self.dtype)
        self.decoder = nn.Dense(self.config.vocab_size, dtype=self.dtype, use_bias=False)
        self.bias = self.param("bias", self.bias_init, (self.config.vocab_size,))