l__  < source > ( prompt: Union = None height: Optional = None width: Optional = None num_inference_steps: int = 50 guidance_scale: float = 7.5 gligen_scheduled_sampling_beta: float = 0.3 gligen_phrases: List = None gligen_boxes: List = None gligen_inpaint_image: Optional = None negative_prompt: Union = None num_images_per_prompt: Optional = 1 eta: float = 0.0 generator: Union = None latents: Optional = None prompt_embeds: Optional = None negat