src/transformers/models/convnextv2/modeling_convnextv2.py/ConvNextV2GRN/__init__
class ConvNextV2GRN:    def __init__(self, dim: int):
        super().__init__()
        self.gamma = nn.Parameter(torch.zeros(1, 1, 1, dim))
        self.beta = nn.Parameter(torch.zeros(1, 1, 1, dim))