| bytes | Package bytes implements functions for the manipulation of byte slices. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/containerd/continuity/driver | |
| github.com/docker/docker/daemon/graphdriver | |
| github.com/docker/docker/pkg/archive | Package archive provides helper functions for dealing with archive files. |
| github.com/docker/docker/pkg/stringid | Package stringid provides helper functions for dealing with string identifiers |
| math/rand | Package rand implements pseudo-random number generators suitable for tasks such as simulation, but it should not be used for security-sensitive work. |
| os | Package os provides a platform-independent interface to operating system functionality. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |