}
private String getUnsupportedMessage(ReadableUserAgent userAgent) {
VersionNumber minimumVersion = MINIMUM_VERSION_BROWSERS.get(userAgent.getName());
if (minimumVersion != null) {
return userAgent.getName() + " " + userAgent.getVersionNumber().toVersionString() + " is not supported. Please upgrade to at least version " + minimumVersion.toVersionString() + ".";
}
return userAgent.getName() + " " + userAgent.getVersionNumber().toVersionString() + " is not supported.";
}
}