 encoding.    Encodes the prompt into text encoder hidden states.  IFInpaintingPipeline  class diffusers.IFInpaintingPipeline  < source > ( tokenizer: T5Tokenizer text_encoder: T5EncoderModel unet: UNet2DConditionModel scheduler: DDPMScheduler safety_checker: Optional feature_extractor: Optional watermarker: Optional requires_safety_checker: bool = True  )     __call__  < source > ( prompt: Union = None image: Union = None mask_image: Union = N