src/transformers/models/funnel/modeling_funnel.py/FunnelForMaskedLM/__init__
class FunnelForMaskedLM:    def __init__(self, config: FunnelConfig) -> None:
        super().__init__(config)

        self.funnel = FunnelModel(config)
        self.lm_head = nn.Linear(config.d_model, config.vocab_size)

        # Initialize weights and apply final processing
        self.post_init()