public static void setAddNotificationModifier(com.google.common.base.Function<NotificationEvent, Boolean> modifier) {
    addNotificationEventModifier = modifier;
  }
A utility class to pass the arguments of the caller to the stub method.
standalone-metastore/metastore-server/src/test/java/org/apache/hadoop/hive/metastore/InjectableBehaviourObjectStore.java