| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| fmt | Package fmt implements formatted I/O with functions analogous to C's printf and scanf. |
| github.com/containerd/containerd/errdefs | Package errdefs defines the common errors used throughout containerd packages. |
| github.com/containerd/containerd/mount | |
| github.com/containerd/containerd/namespaces | |
| github.com/containerd/containerd/protobuf/types | Package types provides convinient aliases that make google.golang.org/protobuf migration easier. |
| github.com/containerd/typeurl/v2 | |
| github.com/opencontainers/runtime-spec/specs-go | |
| strconv | Package strconv implements conversions to and from string representations of basic data types. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |