| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| encoding/base64 | Package base64 implements base64 encoding as specified by RFC 4648. |
| github.com/Microsoft/hcsshim/internal/oc | |
| 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. |
| go.opencensus.io/trace | Package trace contains support for OpenCensus distributed tracing. |
| go.opencensus.io/trace/propagation | Package propagation implements the binary trace context format. |
| google.golang.org/grpc/codes | Package codes defines the canonical error codes used by gRPC. |
| google.golang.org/grpc/status | Package status implements errors returned by gRPC. |
| strings | Package strings implements simple functions to manipulate UTF-8 encoded strings. |