* <li>{@link #delete(String, String)}: Deletes a specific key-value pair from the settings array.</li>
 * </ul>
 *
 * <p>Protected Methods:
 * <ul>
 * <li>{@link #createArraySettingsIndexName(String)}: Creates the name for the array settings index.</li>
 * <li>{@link #createId(String, Object)}: Creates a unique ID for a key-value pair using Base64 encoding.</li>