| 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/Sirupsen/logrus | |
| github.com/docker/docker/pkg/ioutils | |
| github.com/docker/docker/pkg/plugingetter | |
| github.com/docker/docker/pkg/plugins | Package plugins provides structures and helper functions to manage Docker plugins. |
| github.com/docker/docker/plugin/v2 | |
| github.com/docker/docker/reference | |
| path/filepath | Package filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |