| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/google/go-containerregistry/pkg/v1 | Package v1 defines structured types for OCI v1 images |
| github.com/google/go-containerregistry/pkg/v1/partial | Package partial defines methods for building up a v1.Image from minimal subsets that are sufficient for defining a v1.Image. |
| github.com/google/go-containerregistry/pkg/v1/types | Package types holds common OCI media types. |