urn_dict: bool = True generator: Optional = None  )   Parameters   sample (torch.FloatTensor) — Input sample.   sample_posterior (bool, optional, defaults to False) —
Whether to sample from the posterior.   return_dict (bool, optional, defaults to True) —
Whether or not to return a DecoderOutput instead of a plain tuple.     fuse_qkv_projections  < source > ( )    Enables fused QKV projections. For self-attention modules, all projection matrice