src/transformers/models/oneformer/modeling_oneformer.py/OneFormerTextMLP/forward
class OneFormerTextMLP:    def forward(self, hidden_states: torch.Tensor) -> torch.Tensor:
        hidden_states = self.fc1(hidden_states)
        hidden_states = self.activation_fn(hidden_states)
        hidden_states = self.fc2(hidden_states)
        return hidden_states