What EXIF data should be preserved in the output image.
{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "#/components/schemas/images_image_variant_schemas_metadata", "title": "images_image_variant_schemas_metadata", "description": "What EXIF data should be preserved in the output image.", "enum": [ "keep", "copyright", "none" ], "example": "none", "type": "string" }