src/transformers/models/bert/modeling_flax_bert.py/FlaxBertForNextSentencePredictionModule/setup
class FlaxBertForNextSentencePredictionModule:    def setup(self):
        self.bert = FlaxBertModule(
            config=self.config,
            dtype=self.dtype,
            gradient_checkpointing=self.gradient_checkpointing,
        )
        self.cls = FlaxBertOnlyNSPHead(dtype=self.dtype)