Imports of package continuityfs

PathSynopsis
github.com/containerd/continuity/driver
github.com/opencontainers/go-digestPackage digest provides a generalized type to opaquely represent message digests and their operations within the registry.
ioPackage io provides basic interfaces to I/O primitives.
path/filepathPackage filepath implements utility routines for manipulating filename paths in a way compatible with the target operating system-defined file paths.