s: int hidden_size hidden_dropout ln_elementwise_affine layer_norm_eps use_bias block_num_heads attention_dropout downsample: bool upsample: bool  )     ConvNextBlock  class diffusers.models.unets.uvit_2d.ConvNextBlock  < source > ( channels layer_norm_eps ln_elementwise_affine use_bias hidden_dropout hidden_size res_ffn_factor = 4  )     ConvMlmLayer  class diffusers.models.unets.uvit_2d.ConvMlmLayer  < source > ( block_out_channels: int in_ch