| bytes | Package bytes implements functions for the manipulation of byte slices. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| 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/match | Package match provides functionality for conveniently matching a v1.Descriptor. |
| github.com/google/go-containerregistry/pkg/v1/types | Package types holds common OCI media types. |
| github.com/google/go-containerregistry/pkg/v1/v1util | |
| io | Package io provides basic interfaces to I/O primitives. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |