src/transformers/models/luke/modeling_luke.py/LukeLayer/__init__
class LukeLayer:    def __init__(self, config):
        super().__init__()
        self.chunk_size_feed_forward = config.chunk_size_feed_forward
        self.seq_len_dim = 1
        self.attention = LukeAttention(config)
        self.intermediate = LukeIntermediate(config)
        self.output = LukeOutput(config)