Imports of package cache

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/filtersPackage filters defines a syntax and parser that can be used for the filtration of items across the containerd API.
github.com/containerd/containerd/mount
github.com/containerd/containerd/snapshots
github.com/docker/docker/pkg/idtools
github.com/moby/buildkit/cache/metadata
github.com/moby/buildkit/client
github.com/moby/buildkit/identity
github.com/moby/buildkit/snapshot
github.com/moby/buildkit/util/flightcontrol
github.com/pkg/errorsPackage errors provides simple error handling primitives.
github.com/sirupsen/logrusPackage logrus is a structured logger for Go, completely API compatible with the standard library logger.
go.etcd.io/bbolt
golang.org/x/sync/errgroupPackage errgroup provides synchronization, error propagation, and Context cancelation for groups of goroutines working on subtasks of a common task.
sortPackage sort provides primitives for sorting slices and user-defined collections.
stringsPackage strings implements simple functions to manipulate UTF-8 encoded strings.
syncPackage sync provides basic synchronization primitives such as mutual exclusion locks.
timePackage time provides functionality for measuring and displaying time.