src/transformers/models/layoutlmv3/modeling_layoutlmv3.py/LayoutLMv3Layer/__init__
class LayoutLMv3Layer:    def __init__(self, config):
        super().__init__()
        self.chunk_size_feed_forward = config.chunk_size_feed_forward
        self.seq_len_dim = 1
        self.attention = LayoutLMv3Attention(config)
        self.intermediate = LayoutLMv3Intermediate(config)
        self.output = LayoutLMv3Output(config)