# Copyright 2025 Qwen-Image Team and The HuggingFace Team. All rights reserved. # # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # # http://www.apache.org/licenses/LICENSE-2.0 # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. import torch from ...utils import logging from ..modular_pipeline import AutoPipelineBlocks, ConditionalPipelineBlocks, SequentialPipelineBlocks from ..modular_pipeline_utils import InputParam, InsertableDict, OutputParam from .before_denoise import ( QwenImageCreateMaskLatentsStep, QwenImageEditRoPEInputsStep, QwenImagePrepareLatentsStep, QwenImagePrepareLatentsWithStrengthStep, QwenImageSetTimestepsStep, QwenImageSetTimestepsWithStrengthStep, ) from .decoders import ( QwenImageAfterDenoiseStep, QwenImageDecoderStep, QwenImageInpaintProcessImagesOutputStep, QwenImageProcessImagesOutputStep, ) from .denoise import ( QwenImageEditDenoiseStep, QwenImageEditInpaintDenoiseStep, ) from .encoders import ( QwenImageEditInpaintProcessImagesInputStep, QwenImageEditProcessImagesInputStep, QwenImageEditResizeStep, QwenImageEditTextEncoderStep, QwenImageVaeEncoderStep, ) from .inputs import ( QwenImageAdditionalInputsStep, QwenImageTextInputsStep, ) logger = logging.get_logger(__name__) # ==================== # 1. TEXT ENCODER # ==================== # auto_docstring class QwenImageEditVLEncoderStep(SequentialPipelineBlocks): """ QwenImage-Edit VL encoder step that encode the image and text prompts together. Components: image_resize_processor (`VaeImageProcessor`) text_encoder (`Qwen2_5_VLForConditionalGeneration`) processor (`Qwen2VLProcessor`) guider (`ClassifierFreeGuidance`) Inputs: image (`Image | list`): Reference image(s) for denoising. Can be a single image or list of images. prompt (`str`): The prompt or prompts to guide image generation. negative_prompt (`str`, *optional*): The prompt or prompts not to guide the image generation. Outputs: resized_image (`list`): The resized images prompt_embeds (`Tensor`): The prompt embeddings. prompt_embeds_mask (`Tensor`): The encoder attention mask. negative_prompt_embeds (`Tensor`): The negative prompt embeddings. negative_prompt_embeds_mask (`Tensor`): The negative prompt embeddings mask. """ model_name = "qwenimage-edit" block_classes = [ QwenImageEditResizeStep(), QwenImageEditTextEncoderStep(), ] block_names = ["resize", "encode"] @property def description(self) -> str: return "QwenImage-Edit VL encoder step that encode the image and text prompts together." # ==================== # 2. VAE ENCODER # ==================== # Edit VAE encoder # auto_docstring class QwenImageEditVaeEncoderStep(SequentialPipelineBlocks): """ Vae encoder step that encode the image inputs into their latent representations. Components: image_resize_processor (`VaeImageProcessor`) image_processor (`VaeImageProcessor`) vae (`AutoencoderKLQwenImage`) Inputs: image (`Image | list`): Reference image(s) for denoising. Can be a single image or list of images. generator (`Generator`, *optional*): Torch generator for deterministic generation. Outputs: resized_image (`list`): The resized images processed_image (`Tensor`): The processed image image_latents (`Tensor`): The latent representation of the input image. """ model_name = "qwenimage-edit" block_classes = [ QwenImageEditResizeStep(), QwenImageEditProcessImagesInputStep(), QwenImageVaeEncoderStep(), ] block_names = ["resize", "preprocess", "encode"] @property def description(self) -> str: return "Vae encoder step that encode the image inputs into their latent representations." # Edit Inpaint VAE encoder # auto_docstring class QwenImageEditInpaintVaeEncoderStep(SequentialPipelineBlocks): """ This step is used for processing image and mask inputs for QwenImage-Edit inpaint tasks. It: - resize the image for target area (1024 * 1024) while maintaining the aspect ratio. - process the resized image and mask image. - create image latents. Components: image_resize_processor (`VaeImageProcessor`) image_mask_processor (`InpaintProcessor`) vae (`AutoencoderKLQwenImage`) Inputs: image (`Image | list`): Reference image(s) for denoising. Can be a single image or list of images. mask_image (`Image`): Mask image for inpainting. padding_mask_crop (`int`, *optional*): Padding for mask cropping in inpainting. generator (`Generator`, *optional*): Torch generator for deterministic generation. Outputs: resized_image (`list`): The resized images processed_image (`Tensor`): The processed image processed_mask_image (`Tensor`): The processed mask image mask_overlay_kwargs (`dict`): The kwargs for the postprocess step to apply the mask overlay image_latents (`Tensor`): The latent representation of the input image. """ model_name = "qwenimage-edit" block_classes = [ QwenImageEditResizeStep(), QwenImageEditInpaintProcessImagesInputStep(), QwenImageVaeEncoderStep(), ] block_names = ["resize", "preprocess", "encode"] @property def description(self) -> str: return ( "This step is used for processing image and mask inputs for QwenImage-Edit inpaint tasks. It:\n" " - resize the image for target area (1024 * 1024) while maintaining the aspect ratio.\n" " - process the resized image and mask image.\n" " - create image latents." ) # Auto VAE encoder class QwenImageEditAutoVaeEncoderStep(AutoPipelineBlocks): block_classes = [QwenImageEditInpaintVaeEncoderStep, QwenImageEditVaeEncoderStep] block_names = ["edit_inpaint", "edit"] block_trigger_inputs = ["mask_image", "image"] @property def description(self): return ( "Vae encoder step that encode the image inputs into their latent representations.\n" "This is an auto pipeline block.\n" " - `QwenImageEditInpaintVaeEncoderStep` (edit_inpaint) is used when `mask_image` is provided.\n" " - `QwenImageEditVaeEncoderStep` (edit) is used when `image` is provided.\n" " - if `mask_image` or `image` is not provided, step will be skipped." ) # ==================== # 3. DENOISE (input -> prepare_latents -> set_timesteps -> prepare_rope_inputs -> denoise -> after_denoise) # ==================== # assemble input steps # auto_docstring class QwenImageEditInputStep(SequentialPipelineBlocks): """ Input step that prepares the inputs for the edit denoising step. It: - make sure the text embeddings have consistent batch size as well as the additional inputs. - update height/width based `image_latents`, patchify `image_latents`. Components: pachifier (`QwenImagePachifier`) Inputs: num_images_per_prompt (`int`, *optional*, defaults to 1): The number of images to generate per prompt. prompt_embeds (`Tensor`): text embeddings used to guide the image generation. Can be generated from text_encoder step. prompt_embeds_mask (`Tensor`): mask for the text embeddings. Can be generated from text_encoder step. negative_prompt_embeds (`Tensor`, *optional*): negative text embeddings used to guide the image generation. Can be generated from text_encoder step. negative_prompt_embeds_mask (`Tensor`, *optional*): mask for the negative text embeddings. Can be generated from text_encoder step. height (`int`, *optional*): The height in pixels of the generated image. width (`int`, *optional*): The width in pixels of the generated image. image_latents (`Tensor`): image latents used to guide the image generation. Can be generated from vae_encoder step. Outputs: batch_size (`int`): The batch size of the prompt embeddings dtype (`dtype`): The data type of the prompt embeddings prompt_embeds (`Tensor`): The prompt embeddings. (batch-expanded) prompt_embeds_mask (`Tensor`): The encoder attention mask. (batch-expanded) negative_prompt_embeds (`Tensor`): The negative prompt embeddings. (batch-expanded) negative_prompt_embeds_mask (`Tensor`): The negative prompt embeddings mask. (batch-expanded) image_height (`int`): The image height calculated from the image latents dimension image_width (`int`): The image width calculated from the image latents dimension height (`int`): if not provided, updated to image height width (`int`): if not provided, updated to image width image_latents (`Tensor`): image latents used to guide the image generation. Can be generated from vae_encoder step. (patchified and batch-expanded) """ model_name = "qwenimage-edit" block_classes = [ QwenImageTextInputsStep(), QwenImageAdditionalInputsStep(), ] block_names = ["text_inputs", "additional_inputs"] @property def description(self): return ( "Input step that prepares the inputs for the edit denoising step. It:\n" " - make sure the text embeddings have consistent batch size as well as the additional inputs.\n" " - update height/width based `image_latents`, patchify `image_latents`." ) # auto_docstring class QwenImageEditInpaintInputStep(SequentialPipelineBlocks): """ Input step that prepares the inputs for the edit inpaint denoising step. It: - make sure the text embeddings have consistent batch size as well as the additional inputs. - update height/width based `image_latents`, patchify `image_latents`. Components: pachifier (`QwenImagePachifier`) Inputs: num_images_per_prompt (`int`, *optional*, defaults to 1): The number of images to generate per prompt. prompt_embeds (`Tensor`): text embeddings used to guide the image generation. Can be generated from text_encoder step. prompt_embeds_mask (`Tensor`): mask for the text embeddings. Can be generated from text_encoder step. negative_prompt_embeds (`Tensor`, *optional*): negative text embeddings used to guide the image generation. Can be generated from text_encoder step. negative_prompt_embeds_mask (`Tensor`, *optional*): mask for the negative text embeddings. Can be generated from text_encoder step. height (`int`, *optional*): The height in pixels of the generated image. width (`int`, *optional*): The width in pixels of the generated image. image_latents (`Tensor`): image latents used to guide the image generation. Can be generated from vae_encoder step. processed_mask_image (`Tensor`, *optional*): The processed mask image Outputs: batch_size (`int`): The batch size of the prompt embeddings dtype (`dtype`): The data type of the prompt embeddings prompt_embeds (`Tensor`): The prompt embeddings. (batch-expanded) prompt_embeds_mask (`Tensor`): The encoder attention mask. (batch-expanded) negative_prompt_embeds (`Tensor`): The negative prompt embeddings. (batch-expanded) negative_prompt_embeds_mask (`Tensor`): The negative prompt embeddings mask. (batch-expanded) image_height (`int`): The image height calculated from the image latents dimension image_width (`int`): The image width calculated from the image latents dimension height (`int`): if not provided, updated to image height width (`int`): if not provided, updated to image width image_latents (`Tensor`): image latents used to guide the image generation. Can be generated from vae_encoder step. (patchified and batch-expanded) processed_mask_image (`Tensor`): The processed mask image (batch-expanded) """ model_name = "qwenimage-edit" block_classes = [ QwenImageTextInputsStep(), QwenImageAdditionalInputsStep( additional_batch_inputs=[ InputParam(name="processed_mask_image", type_hint=torch.Tensor, description="The processed mask image") ] ), ] block_names = ["text_inputs", "additional_inputs"] @property def description(self): return ( "Input step that prepares the inputs for the edit inpaint denoising step. It:\n" " - make sure the text embeddings have consistent batch size as well as the additional inputs.\n" " - update height/width based `image_latents`, patchify `image_latents`." ) # assemble prepare latents steps # auto_docstring class QwenImageEditInpaintPrepareLatentsStep(SequentialPipelineBlocks): """ This step prepares the latents/image_latents and mask inputs for the edit inpainting denoising step. It: - Add noise to the image latents to create the latents input for the denoiser. - Create the patchified latents `mask` based on the processed mask image. Components: scheduler (`FlowMatchEulerDiscreteScheduler`) pachifier (`QwenImagePachifier`) Inputs: latents (`Tensor`): The initial random noised, can be generated in prepare latent step. image_latents (`Tensor`): image latents used to guide the image generation. Can be generated from vae_encoder step. (Can be generated from vae encoder and updated in input step.) timesteps (`Tensor`): The timesteps to use for the denoising process. Can be generated in set_timesteps step. processed_mask_image (`Tensor`): The processed mask to use for the inpainting process. height (`int`): The height in pixels of the generated image. width (`int`): The width in pixels of the generated image. dtype (`dtype`, *optional*, defaults to torch.float32): The dtype of the model inputs, can be generated in input step. Outputs: initial_noise (`Tensor`): The initial random noised used for inpainting denoising. latents (`Tensor`): The scaled noisy latents to use for inpainting/image-to-image denoising. mask (`Tensor`): The mask to use for the inpainting process. """ model_name = "qwenimage-edit" block_classes = [QwenImagePrepareLatentsWithStrengthStep(), QwenImageCreateMaskLatentsStep()] block_names = ["add_noise_to_latents", "create_mask_latents"] @property def description(self) -> str: return ( "This step prepares the latents/image_latents and mask inputs for the edit inpainting denoising step. It:\n" " - Add noise to the image latents to create the latents input for the denoiser.\n" " - Create the patchified latents `mask` based on the processed mask image.\n" ) # Qwen Image Edit (image2image) core denoise step # auto_docstring class QwenImageEditCoreDenoiseStep(SequentialPipelineBlocks): """ Core denoising workflow for QwenImage-Edit edit (img2img) task. Components: pachifier (`QwenImagePachifier`) scheduler (`FlowMatchEulerDiscreteScheduler`) guider (`ClassifierFreeGuidance`) transformer (`QwenImageTransformer2DModel`) Inputs: num_images_per_prompt (`int`, *optional*, defaults to 1): The number of images to generate per prompt. prompt_embeds (`Tensor`): text embeddings used to guide the image generation. Can be generated from text_encoder step. prompt_embeds_mask (`Tensor`): mask for the text embeddings. Can be generated from text_encoder step. negative_prompt_embeds (`Tensor`, *optional*): negative text embeddings used to guide the image generation. Can be generated from text_encoder step. negative_prompt_embeds_mask (`Tensor`, *optional*): mask for the negative text embeddings. Can be generated from text_encoder step. height (`int`, *optional*): The height in pixels of the generated image. width (`int`, *optional*): The width in pixels of the generated image. image_latents (`Tensor`): image latents used to guide the image generation. Can be generated from vae_encoder step. latents (`Tensor`, *optional*): Pre-generated noisy latents for image generation. generator (`Generator`, *optional*): Torch generator for deterministic generation. num_inference_steps (`int`, *optional*, defaults to 50): The number of denoising steps. sigmas (`list`, *optional*): Custom sigmas for the denoising process. attention_kwargs (`dict`, *optional*): Additional kwargs for attention processors. **denoiser_input_fields (`None`, *optional*): conditional model inputs for the denoiser: e.g. prompt_embeds, negative_prompt_embeds, etc. Outputs: latents (`Tensor`): Denoised latents. """ model_name = "qwenimage-edit" block_classes = [ QwenImageEditInputStep(), QwenImagePrepareLatentsStep(), QwenImageSetTimestepsStep(), QwenImageEditRoPEInputsStep(), QwenImageEditDenoiseStep(), QwenImageAfterDenoiseStep(), ] block_names = [ "input", "prepare_latents", "set_timesteps", "prepare_rope_inputs", "denoise", "after_denoise", ] @property def description(self): return "Core denoising workflow for QwenImage-Edit edit (img2img) task." @property def outputs(self): return [ OutputParam.template("latents"), ] # Qwen Image Edit (inpainting) core denoise step # auto_docstring class QwenImageEditInpaintCoreDenoiseStep(SequentialPipelineBlocks): """ Core denoising workflow for QwenImage-Edit edit inpaint task. Components: pachifier (`QwenImagePachifier`) scheduler (`FlowMatchEulerDiscreteScheduler`) guider (`ClassifierFreeGuidance`) transformer (`QwenImageTransformer2DModel`) Inputs: num_images_per_prompt (`int`, *optional*, defaults to 1): The number of images to generate per prompt. prompt_embeds (`Tensor`): text embeddings used to guide the image generation. Can be generated from text_encoder step. prompt_embeds_mask (`Tensor`): mask for the text embeddings. Can be generated from text_encoder step. negative_prompt_embeds (`Tensor`, *optional*): negative text embeddings used to guide the image generation. Can be generated from text_encoder step. negative_prompt_embeds_mask (`Tensor`, *optional*): mask for the negative text embeddings. Can be generated from text_encoder step. height (`int`, *optional*): The height in pixels of the generated image. width (`int`, *optional*): The width in pixels of the generated image. image_latents (`Tensor`): image latents used to guide the image generation. Can be generated from vae_encoder step. processed_mask_image (`Tensor`, *optional*): The processed mask image latents (`Tensor`, *optional*): Pre-generated noisy latents for image generation. generator (`Generator`, *optional*): Torch generator for deterministic generation. num_inference_steps (`int`, *optional*, defaults to 50): The number of denoising steps. sigmas (`list`, *optional*): Custom sigmas for the denoising process. strength (`float`, *optional*, defaults to 0.9): Strength for img2img/inpainting. attention_kwargs (`dict`, *optional*): Additional kwargs for attention processors. **denoiser_input_fields (`None`, *optional*): conditional model inputs for the denoiser: e.g. prompt_embeds, negative_prompt_embeds, etc. Outputs: latents (`Tensor`): Denoised latents. """ model_name = "qwenimage-edit" block_classes = [ QwenImageEditInpaintInputStep(), QwenImagePrepareLatentsStep(), QwenImageSetTimestepsWithStrengthStep(), QwenImageEditInpaintPrepareLatentsStep(), QwenImageEditRoPEInputsStep(), QwenImageEditInpaintDenoiseStep(), QwenImageAfterDenoiseStep(), ] block_names = [ "input", "prepare_latents", "set_timesteps", "prepare_inpaint_latents", "prepare_rope_inputs", "denoise", "after_denoise", ] @property def description(self): return "Core denoising workflow for QwenImage-Edit edit inpaint task." @property def outputs(self): return [ OutputParam.template("latents"), ] # Auto core denoise step for QwenImage Edit class QwenImageEditAutoCoreDenoiseStep(ConditionalPipelineBlocks): model_name = "qwenimage-edit" block_classes = [ QwenImageEditInpaintCoreDenoiseStep, QwenImageEditCoreDenoiseStep, ] block_names = ["edit_inpaint", "edit"] block_trigger_inputs = ["processed_mask_image", "image_latents"] default_block_name = "edit" def select_block(self, processed_mask_image=None, image_latents=None) -> str | None: if processed_mask_image is not None: return "edit_inpaint" elif image_latents is not None: return "edit" return None @property def description(self): return ( "Auto core denoising step that selects the appropriate workflow based on inputs.\n" " - `QwenImageEditInpaintCoreDenoiseStep` when `processed_mask_image` is provided\n" " - `QwenImageEditCoreDenoiseStep` when `image_latents` is provided\n" "Supports edit (img2img) and edit inpainting tasks for QwenImage-Edit." ) @property def outputs(self): return [ OutputParam.template("latents"), ] # ==================== # 4. DECODE # ==================== # Decode step (standard) # auto_docstring class QwenImageEditDecodeStep(SequentialPipelineBlocks): """ Decode step that decodes the latents to images and postprocess the generated image. Components: vae (`AutoencoderKLQwenImage`) image_processor (`VaeImageProcessor`) Inputs: latents (`Tensor`): The denoised latents to decode, can be generated in the denoise step and unpacked in the after denoise step. output_type (`str`, *optional*, defaults to pil): Output format: 'pil', 'np', 'pt'. Outputs: images (`list`): Generated images. (tensor output of the vae decoder.) """ model_name = "qwenimage-edit" block_classes = [QwenImageDecoderStep(), QwenImageProcessImagesOutputStep()] block_names = ["decode", "postprocess"] @property def description(self): return "Decode step that decodes the latents to images and postprocess the generated image." # Inpaint decode step # auto_docstring class QwenImageEditInpaintDecodeStep(SequentialPipelineBlocks): """ Decode step that decodes the latents to images and postprocess the generated image, optionally apply the mask overlay to the original image. Components: vae (`AutoencoderKLQwenImage`) image_mask_processor (`InpaintProcessor`) Inputs: latents (`Tensor`): The denoised latents to decode, can be generated in the denoise step and unpacked in the after denoise step. output_type (`str`, *optional*, defaults to pil): Output format: 'pil', 'np', 'pt'. mask_overlay_kwargs (`dict`, *optional*): The kwargs for the postprocess step to apply the mask overlay. generated in InpaintProcessImagesInputStep. Outputs: images (`list`): Generated images. (tensor output of the vae decoder.) """ model_name = "qwenimage-edit" block_classes = [QwenImageDecoderStep(), QwenImageInpaintProcessImagesOutputStep()] block_names = ["decode", "postprocess"] @property def description(self): return "Decode step that decodes the latents to images and postprocess the generated image, optionally apply the mask overlay to the original image." # Auto decode step class QwenImageEditAutoDecodeStep(AutoPipelineBlocks): block_classes = [QwenImageEditInpaintDecodeStep, QwenImageEditDecodeStep] block_names = ["inpaint_decode", "decode"] block_trigger_inputs = ["mask", None] @property def description(self): return ( "Decode step that decode the latents into images.\n" "This is an auto pipeline block.\n" " - `QwenImageEditInpaintDecodeStep` (inpaint) is used when `mask` is provided.\n" " - `QwenImageEditDecodeStep` (edit) is used when `mask` is not provided.\n" ) @property def outputs(self): return [ OutputParam.template("latents"), ] # ==================== # 5. AUTO BLOCKS & PRESETS # ==================== EDIT_AUTO_BLOCKS = InsertableDict( [ ("text_encoder", QwenImageEditVLEncoderStep()), ("vae_encoder", QwenImageEditAutoVaeEncoderStep()), ("denoise", QwenImageEditAutoCoreDenoiseStep()), ("decode", QwenImageEditAutoDecodeStep()), ] ) # auto_docstring class QwenImageEditAutoBlocks(SequentialPipelineBlocks): """ Auto Modular pipeline for edit (img2img) and edit inpaint tasks using QwenImage-Edit. - for edit (img2img) generation, you need to provide `image` - for edit inpainting, you need to provide `mask_image` and `image`, optionally you can provide `padding_mask_crop` Supported workflows: - `image_conditioned`: requires `prompt`, `image` - `image_conditioned_inpainting`: requires `prompt`, `mask_image`, `image` Components: image_resize_processor (`VaeImageProcessor`) text_encoder (`Qwen2_5_VLForConditionalGeneration`) processor (`Qwen2VLProcessor`) guider (`ClassifierFreeGuidance`) image_mask_processor (`InpaintProcessor`) vae (`AutoencoderKLQwenImage`) image_processor (`VaeImageProcessor`) pachifier (`QwenImagePachifier`) scheduler (`FlowMatchEulerDiscreteScheduler`) transformer (`QwenImageTransformer2DModel`) Inputs: image (`Image | list`): Reference image(s) for denoising. Can be a single image or list of images. prompt (`str`): The prompt or prompts to guide image generation. negative_prompt (`str`, *optional*): The prompt or prompts not to guide the image generation. mask_image (`Image`, *optional*): Mask image for inpainting. padding_mask_crop (`int`, *optional*): Padding for mask cropping in inpainting. generator (`Generator`, *optional*): Torch generator for deterministic generation. num_images_per_prompt (`int`, *optional*, defaults to 1): The number of images to generate per prompt. height (`int`): The height in pixels of the generated image. width (`int`): The width in pixels of the generated image. image_latents (`Tensor`): image latents used to guide the image generation. Can be generated from vae_encoder step. processed_mask_image (`Tensor`, *optional*): The processed mask image latents (`Tensor`): Pre-generated noisy latents for image generation. num_inference_steps (`int`): The number of denoising steps. sigmas (`list`, *optional*): Custom sigmas for the denoising process. strength (`float`, *optional*, defaults to 0.9): Strength for img2img/inpainting. attention_kwargs (`dict`, *optional*): Additional kwargs for attention processors. **denoiser_input_fields (`None`, *optional*): conditional model inputs for the denoiser: e.g. prompt_embeds, negative_prompt_embeds, etc. output_type (`str`, *optional*, defaults to pil): Output format: 'pil', 'np', 'pt'. mask_overlay_kwargs (`dict`, *optional*): The kwargs for the postprocess step to apply the mask overlay. generated in InpaintProcessImagesInputStep. Outputs: images (`list`): Generated images. """ model_name = "qwenimage-edit" block_classes = EDIT_AUTO_BLOCKS.values() block_names = EDIT_AUTO_BLOCKS.keys() _workflow_map = { "image_conditioned": {"prompt": True, "image": True}, "image_conditioned_inpainting": {"prompt": True, "mask_image": True, "image": True}, } @property def description(self): return ( "Auto Modular pipeline for edit (img2img) and edit inpaint tasks using QwenImage-Edit.\n" "- for edit (img2img) generation, you need to provide `image`\n" "- for edit inpainting, you need to provide `mask_image` and `image`, optionally you can provide `padding_mask_crop`\n" ) @property def outputs(self): return [OutputParam.template("images")]