NewerByCreated returns true if lhs image should be sorted before rhs with regard to their creation date descending.

NewerBySemver returns true if lhs image should be sorted before rhs with regard to their semver order descending.

ParseRef parses a string representation of an image id into an Ref value.

Sort orders the given image infos according to `newer` func.

CanonicalName is an image name with none of the fields left to be implied by convention.

CanonicalRef is an image ref with none of the fields left to be implied by convention.

Info has the metadata we are able to determine about an image ref, from its registry.

Name represents an unversioned (i.e., untagged) image a.k.a., an image repo.

Ref represents a versioned (i.e., tagged) image.