src/transformers/models/rembert/modeling_rembert.py/RemBertModel/__init__
class RemBertModel:    def __init__(self, config, add_pooling_layer=True):
        super().__init__(config)
        self.config = config

        self.embeddings = RemBertEmbeddings(config)
        self.encoder = RemBertEncoder(config)

        self.pooler = RemBertPooler(config) if add_pooling_layer else None

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