Imports of package snapshotters

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
github.com/containerd/containerd/images
github.com/containerd/containerd/labels
github.com/containerd/logPackage log provides types and functions related to logging, passing loggers through a context, and attaching context to the logger.
github.com/opencontainers/image-spec/specs-go/v1