ReadonlyfiltersOptional ReadonlygpuRender on this GPU context; without one the CPU renders (filters' fast paths where they have one).
Optional ReadonlyresolveThe LUT a reference names, or undefined if unknown.
Optional ReadonlyscaleResolution of source relative to the original the edit was made on (e.g. 0.25 for a preview
copy). Pixel-unit params are multiplied by it. Default 1.
The filters a document may use, looked up by id.