src/transformers/models/xlm_roberta_xl/modeling_xlm_roberta_xl.py/XLMRobertaXLEncoder/__init__
class XLMRobertaXLEncoder:    def __init__(self, config):
        super().__init__()
        self.config = config
        self.layer = nn.ModuleList([XLMRobertaXLLayer(config) for _ in range(config.num_hidden_layers)])
        self.LayerNorm = nn.LayerNorm(config.hidden_size, eps=config.layer_norm_eps)
        self.gradient_checkpointing = False