type LLBBridgeForwarder interface {
	pb.LLBBridgeServer
	Done() <-chan struct{}
	Result() (*frontend.Result, error)
	Discard()
}

type MakeMutable func(m *opspb.Mount, ref cache.ImmutableRef) (cache.MutableRef, error)

type Mount struct {
	*opspb.Mount
	WorkerRef *worker.WorkerRef
}

type MountMutableRef struct {
	Ref        cache.MutableRef
	MountIndex int
}

type MountRef struct {
	Ref        cache.Ref
	MountIndex int
}

type NewContainerRequest struct {
	ContainerID string
	NetMode     opspb.NetMode
	Mounts      []Mount
	Platform    *opspb.Platform
	Constraints *opspb.WorkerConstraints
}

type PreparedMounts struct {
	Root           executor.Mount
	ReadonlyRootFS bool
	Mounts         []executor.Mount
	OutputRefs     []MountRef
	Actives        []MountMutableRef
}