apply

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 *pb.InternalRaftRequest, shouldApplyV3 membership.ShouldApplyV3) *Result
}