@Override
  public boolean configure() {
    if (isBlank(System.getProperty(key))) {
      System.setProperty(key, value);
      logger.info("System property '" + key + "' is now configured with '" + value + "'.");
      return true;
    }

    logger.info("System property '" + key + "' is already configured.");
    return false;
  }
Constructs instance for the specified system property and filter pattern.
geode-serialization/src/main/java/org/apache/geode/internal/serialization/filter/JmxSerialFilterConfiguration.java