| bytes | Package bytes implements functions for the manipulation of byte slices. |
| context | Package context defines the Context type, which carries deadlines, cancellation signals, and other request-scoped values across API boundaries and between processes. |
| github.com/moby/buildkit/cache/contenthash | |
| github.com/moby/buildkit/session | |
| github.com/moby/buildkit/solver | |
| github.com/moby/buildkit/solver/pb | |
| github.com/moby/buildkit/worker | |
| github.com/opencontainers/go-digest | Package digest provides a generalized type to opaquely represent message digests and their operations within the registry. |
| github.com/pkg/errors | Package errors provides simple error handling primitives. |
| golang.org/x/sync/errgroup | Package errgroup provides synchronization, error propagation, and Context cancellation for groups of goroutines working on subtasks of a common task. |
| path | Package path implements utility routines for manipulating slash-separated paths. |