nt, optional, defaults to 4) — The number of channels in the output.   down_block_types (Tuple[str], optional, defaults to ("CrossAttnDownBlock2D", "CrossAttnDownBlock2D", "CrossAttnDownBlock2D", "DownBlock2D")) —
The tuple of downsample blocks to use.   up_block_types (Tuple[str], optional, defaults to ("UpBlock2D", "CrossAttnUpBlock2D", "CrossAttnUpBlock2D", "CrossAttnUpBlock2D")) —
The tuple of upsample blocks to use.   block_out_channels (T