}

    @Override
    public void featureUsed(final DeprecatedFeatureUsage usage) {
        deprecationsFound = true;
        final ProblemDiagnostics diagnostics = problemStream.forCurrentCaller(new StackTraceSanitizer(usage.getCalledFrom()));
        if (warningMode.shouldDisplayMessages()) {
            maybeLogUsage(usage, diagnostics);
        }
        if (warningMode == WarningMode.Fail) {
            if (error == null) {