if (SystemProperties.getInstance().isStandardProperty(entry.getKey())) {
                continue;
            }
            if (SystemProperties.getInstance().isNonStandardImportantProperty(entry.getKey())) {
                continue;
            }
            if (entry.getKey().startsWith("sun.") || entry.getKey().startsWith("awt.") || entry.getKey().contains(".awt.")) {
                continue;

     * Returns true if the key is an important property that is not guaranteed to be contained in System.getProperties().
     * The property is usually there and should not be adjusted.
     */
    public boolean isNonStandardImportantProperty(String key) {
        return IMPORTANT_NON_STANDARD_PROPERTIES.contains(key);
    }