src/transformers/models/longt5/modeling_longt5.py/LongT5LayerCrossAttention/__init__
class LongT5LayerCrossAttention:    def __init__(self, config):
        super().__init__()
        self.EncDecAttention = LongT5Attention(config, has_relative_attention_bias=False)
        self.layer_norm = LongT5LayerNorm(config.d_model, eps=config.layer_norm_epsilon)
        self.dropout = nn.Dropout(config.dropout_rate)