boolean readIsSharedConfigurationEnabled() {
    if (optionalFields == null || optionalFields.isEmpty()) {
      return false;
    }
    return Boolean.parseBoolean((optionalFields.getProperty(IS_SHARED_CONFIG_ENABLED)));
  }
// * Check for the optional field {@link #HOSTED_LOCATORS_WITH_SHARED_CONFIGURATION} and return
  // the
  // * value or null.
  //
geode-core/src/main/java/org/apache/geode/distributed/internal/StartupMessageData.java