return !account.isLockedOut() && account.getLastAttempt().plus(cleanupInterval).isBefore(now);
        });

        // Clean up IP attempts
        ipAttempts.entrySet().removeIf(entry -> {
            IpAttempts ip = entry.getValue();
            return !ip.isBlocked() && ip.getLastAttempt().plus(cleanupInterval).isBefore(now);
        });

        final List<QualifiedVersion> earlierVersions = gitWrapper.listVersions(tagWildcard)
            // Only keep earlier versions, and if `currentVersion` is a prerelease, then only prereleases too.
            .filter(each -> each.isBefore(currentVersion) && (currentVersion.hasQualifier() == each.hasQualifier()))
            .sorted(naturalOrder())
            .collect(toList());

        if (earlierVersions.isEmpty()) {