nProcessor  class diffusers.models.attention_processor.LoRAAttnProcessor  < source > ( hidden_size: int cross_attention_dim: Optional = None rank: int = 4 network_alpha: Optional = None **kwargs  )   Parameters   hidden_size (int, optional) —
The hidden size of the attention layer.   cross_attention_dim (int, optional) —
The number of channels in the encoder_hidden_states.   rank (int, defaults to 4) —
The dimension of the LoRA update matrices.