src/transformers/models/data2vec/modeling_data2vec_text.py/Data2VecTextEncoder/__init__
class Data2VecTextEncoder:    def __init__(self, config):
        super().__init__()
        self.config = config
        self.layer = nn.ModuleList([Data2VecTextLayer(config) for _ in range(config.num_hidden_layers)])
        self.gradient_checkpointing = False