| bytes | Package bytes implements functions for the manipulation of byte slices. |
| 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/mount | |
| github.com/docker/docker/pkg/idtools | |
| github.com/moby/buildkit/executor | |
| github.com/moby/buildkit/snapshot | |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| syscall | Package syscall contains an interface to the low-level operating system primitives. |