| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| encoding/json | Package json implements encoding and decoding of JSON as defined in RFC 7159. |
| github.com/containerd/containerd/content | |
| github.com/containerd/containerd/images | |
| github.com/containerd/containerd/platforms | |
| github.com/containerd/containerd/reference | |
| github.com/containerd/containerd/remotes | |
| github.com/opencontainers/go-digest | Package digest provides a generalized type to opaquely represent message digests and their operations within the registry. |
| github.com/opencontainers/image-spec/specs-go/v1 | |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| io/ioutil | Package ioutil implements some I/O utility functions. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| time | Package time provides functionality for measuring and displaying time. |