the attention heads.   use_linear_projection (bool, defaults to False) —   class_embed_type (str, optional, defaults to None) —
The type of class embedding to use which is ultimately summed with the time embeddings. Choose from None,
"timestep", "identity", "projection", or "simple_projection".   addition_embed_type (str, optional, defaults to None) —
Configures an optional embedding which will be summed with the time embeddings. Choose from No