src/transformers/models/segformer/modeling_segformer.py/SegformerModel/__init__
class SegformerModel:    def __init__(self, config):
        super().__init__(config)
        self.config = config

        # hierarchical Transformer encoder
        self.encoder = SegformerEncoder(config)

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