return store.getTestResults(experiment, mostRecentN, maxDaysOld, channelPatterns, teamcityBuildIds);
    }

    @Override
    public Map<PerformanceExperimentOnOs, Long> getEstimatedExperimentDurationsInMillis() {
        return store.getEstimatedExperimentDurationsInMillis();
    }

    @Override
    public void close() {
        CompositeStoppable.stoppable(crossVersion, crossBuild, gradleVsMaven).stop();
    }

    }

    @Override
    public Map<PerformanceExperimentOnOs, Long> getEstimatedExperimentDurationsInMillis() {
        return stores.stream()
            .flatMap(store -> store.getEstimatedExperimentDurationsInMillis().entrySet().stream())
            .collect(Collectors.toMap(Map.Entry::getKey, Map.Entry::getValue, Math::max, LinkedHashMap::new));
    }

        new EmptyPerformanceTestHistory(experiment)
    }

    @Override
    Map<PerformanceExperimentOnOs, Long> getEstimatedExperimentDurationsInMillis() {
        return Collections.emptyMap()
    }

    @Override
    void close() {
    }

    /**
     * Returns the estimated duration for each experiment in milliseconds.
     */
    Map<PerformanceExperimentOnOs, Long> getEstimatedExperimentDurationsInMillis();

                    os -> new DefaultPerformanceFlakinessDataProvider(new CrossVersionResultsStore(), os)));
            Map<PerformanceExperimentOnOs, Long> estimatedExperimentDurations = resultsStore.getEstimatedExperimentDurationsInMillis();
            Map<PerformanceScenario, List<Map.Entry<PerformanceExperimentOnOs, Long>>> performanceScenarioMap =
                estimatedExperimentDurations.entrySet().stream()

        return String.join(' or ', Collections.nCopies(channelPatterns.size(), "channel like ?"))
    }

    @Override
    public Map<PerformanceExperimentOnOs, Long> getEstimatedExperimentDurationsInMillis() {
        return this.<Map<PerformanceExperimentOnOs, Long>>withConnection("load estimated runtimes") { connection ->