Imports of package system

PathSynopsis
contextPackage context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes.
encoding/jsonPackage json implements encoding and decoding of JSON as defined in RFC 7159.
fmtPackage fmt implements formatted I/O with functions analogous to C's printf and scanf.
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/docker/docker/api/server/httputils
github.com/docker/docker/api/server/router
github.com/docker/docker/api/server/router/build
github.com/docker/docker/api/types
github.com/docker/docker/api/types/events
github.com/docker/docker/api/types/filtersPackage filters provides tools for encoding a mapping of keys to a set of multiple values.
github.com/docker/docker/api/types/registry
github.com/docker/docker/api/types/swarm
github.com/docker/docker/api/types/system
github.com/docker/docker/api/types/time
github.com/docker/docker/api/types/versions
github.com/docker/docker/builder/builder-next
github.com/docker/docker/pkg/ioutils
github.com/pkg/errorsPackage errors provides simple error handling primitives.
golang.org/x/sync/errgroupPackage errgroup provides synchronization, error propagation, and Context cancelation for groups of goroutines working on subtasks of a common task.
net/httpPackage http provides HTTP client and server implementations.
resenje.org/singleflight
timePackage time provides functionality for measuring and displaying time.