) —
The number of channels in the input sample.   out_channels (int, optional, defaults to 4) —
The number of channels in the output.   down_block_types (Tuple[str], optional, defaults to ("FlaxCrossAttnDownBlock2D", "FlaxCrossAttnDownBlock2D", "FlaxCrossAttnDownBlock2D", "FlaxDownBlock2D")) —
The tuple of downsample blocks to use.   up_block_types (Tuple[str], optional, defaults to ("FlaxUpBlock2D", "FlaxCrossAttnUpBlock2D", "FlaxCrossAttnUpBl