| errors | Package errors implements functions to manipulate errors. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/docker/docker/api/types/container | |
| github.com/docker/docker/api/types/strslice | |
| github.com/docker/docker/builder/dockerfile/command | |
| github.com/docker/docker/builder/dockerfile/parser | |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| regexp | Package regexp implements regular expression search. |
| sort | Package sort provides primitives for sorting slices and user-defined collections. |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |
| time | Package time provides functionality for measuring and displaying time. |