@OutputTimeUnit(TimeUnit.MILLISECONDS)
@State(Scope.Thread)
@Fork(value = 1)
public class TermsReduceBenchmark {
    private final SearchPhaseController controller = new SearchPhaseController(req -> new InternalAggregation.ReduceContextBuilder() {
        @Override
        public InternalAggregation.ReduceContext forPartialReduction() {
            return InternalAggregation.ReduceContext.forPartialReduction(null, null, () -> PipelineAggregator.PipelineTree.EMPTY);