static Entry parse(String s) {
            int equalIndex = s.indexOf('=');
            if (equalIndex < 0) throw new IllegalArgumentException("Expected key=[value]");
            String key = s.substring(0, equalIndex).trim();
            String value = s.substring(equalIndex + 1).trim();
            return new Entry(key, dequote(value));
        }
Parse an INI configuration from given input
vespajlib/src/main/java/com/yahoo/config/ini/Ini.java