Imports
- github.com/opencontainers/go-digest
- github.com/opencontainers/image-spec/specs-go/v1
- github.com/containerd/containerd/api/services/content/v1
- github.com/gogo/protobuf/types
- github.com/containerd/containerd/errdefs
- github.com/containerd/containerd/content
- github.com/pkg/errors