Model identifier to use for upscaling. An empty string asks for the provider's own upscale default.
Source image as a raw Buffer.
Optional scaleInteger scale factor (e.g. 2 or 4).
Optional widthTarget width in pixels (alternative to scale).
Optional heightTarget height in pixels (alternative to scale).
Optional providerArbitrary provider-specific options.
Provider-level request for image upscaling / super-resolution.
Passed to IImageProvider.upscaleImage by the high-level upscaleImage helper.