 prompt: Union = None height: int = 512 width: int = 512 prior_num_inference_steps: int = 60 prior_timesteps: Optional = None prior_guidance_scale: float = 4.0 num_inference_steps: int = 12 decoder_timesteps: Optional = None decoder_guidance_scale: float = 0.0 negative_prompt: Union = None prompt_embeds: Optional = None negative_prompt_embeds: Optional = None num_images_per_prompt: int = 1 generator: Union = None latents: Optional = None output