Imports of package completion

PathSynopsis
github.com/docker/cli/cli/command/formatter
github.com/docker/docker/api/types
github.com/docker/docker/api/types/container
github.com/docker/docker/api/types/image
github.com/docker/docker/api/types/network
github.com/docker/docker/api/types/volume
github.com/docker/docker/clientPackage client is a Go client for the Docker Engine API.
github.com/spf13/cobraPackage cobra is a commander providing a simple interface to create powerful modern CLI interfaces.
osPackage os provides a platform-independent interface to operating system functionality.