src/transformers/models/layoutlmv3/modeling_layoutlmv3.py/LayoutLMv3ClassificationHead/forward
class LayoutLMv3ClassificationHead:    def forward(self, x):
        x = self.dropout(x)
        x = self.dense(x)
        x = torch.tanh(x)
        x = self.dropout(x)
        x = self.out_proj(x)
        return x