 they are being applied. Please refer to the official repository for combinations of values that
are known to work well for different pipelines such as Stable Diffusion v1, v2, and Stable Diffusion XL.  forward  < source > ( sample: FloatTensor timestep: Union encoder_hidden_states: Tensor timestep_cond: Optional = None attention_mask: Optional = None cross_attention_kwargs: Optional = None added_cond_kwargs: Optional = None down_block_addition