type ApplierOptions struct {
	Logger                       *zap.Logger
	KV                           mvcc.KV
	AlarmStore                   *v3alarm.AlarmStore
	AuthStore                    auth.AuthStore
	Lessor                       lease.Lessor
	Cluster                      *membership.RaftCluster
	RaftStatus                   RaftStatusGetter
	SnapshotServer               SnapshotServer
	ConsistentIndex              cindex.ConsistentIndexer
	TxnModeWriteWithSharedBuffer bool
	Backend                      backend.Backend
	QuotaBackendBytesCfg         int64
	WarningApplyDuration         time.Duration
}

type InternalRaftRequestWrapper struct {
	*pb.InternalRaftRequest
	// SkipRangeExecution skips execution of range requests inside a txn for
	// members that do not need the response; validation via checkRange still runs.
	SkipRangeExecution bool
}

type RaftStatusGetter interface {
	MemberID() types.ID
	Leader() types.ID
	CommittedIndex() uint64
	AppliedIndex() uint64
	Term() uint64
}

type Result struct {
	Resp proto.Message
	Err  error
	// Physc signals the physical effect of the request has completed in addition
	// to being logically reflected by the node. Currently, only used for
	// Compaction requests.
	Physc <-chan struct{}
	Trace *traceutil.Trace
}

type SnapshotServer interface {
	ForceSnapshot()
}

type UberApplier interface {
	Apply(r *InternalRaftRequestWrapper, shouldApplyV3 membership.ShouldApplyV3) *Result
}