ConfigTarget creates an image index with an image config being used as an image target instead of a manifest or index.

Dangling creates an image with no layers and no tag.

EmptyFS builds an image with an empty rootfs.

EmptyIndex creates an image index with no manifests.

PartialMultiPlatform creates an index with all platforms in storedPlatforms and missingPlatforms.

TextPlain creates an non-container image that only contains a text/plain blob.