src/transformers/models/van/modeling_van.py/VanLargeKernelAttention/__init__
class VanLargeKernelAttention:    def __init__(self, hidden_size: int):
        super().__init__()
        self.depth_wise = nn.Conv2d(hidden_size, hidden_size, kernel_size=5, padding=2, groups=hidden_size)
        self.depth_wise_dilated = nn.Conv2d(
            hidden_size, hidden_size, kernel_size=7, dilation=3, padding=9, groups=hidden_size
        )
        self.point_wise = nn.Conv2d(hidden_size, hidden_size, kernel_size=1)