| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| 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/containerd/containerd/api/services/ttrpc/events/v1 | Package events defines the ttrpc event service. |
| github.com/containerd/containerd/pkg/dialer | |
| github.com/containerd/ttrpc | package ttrpc defines and implements a low level simple transfer protocol optimized for low latency and reliable connections between processes on the same host. |
| sync | Package sync provides basic synchronization primitives such as mutual exclusion locks. |
| time | Package time provides functionality for measuring and displaying time. |