ations.GEGLU  < source > ( dim_in: int dim_out: int bias: bool = True  )   Parameters   dim_in (int) — The number of channels in the input.   dim_out (int) — The number of channels in the output.   bias (bool, defaults to True) — Whether to use a bias in the linear layer.    A variant of the gated linear unit activation function.  ApproximateGELU  class diffusers.models.activations.ApproximateGELU  < source > ( dim_in: int dim_out: int bias: bo