@org.jetbrains.annotations.NotNull
    public static Proxy getProxy(@org.jetbrains.annotations.NotNull final String proxyHost, final int proxyPort, @org.jetbrains.annotations.NotNull final String proxyUser, @org.jetbrains.annotations.NotNull final String proxyPassword) {
        if (StringUtilities.isBlank(proxyHost)) {
            return Proxy.NO_PROXY;
        }