presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/storage/StorageType.java/StorageType/arrayOf
class StorageType:    public static StorageType arrayOf(StorageType elementStorageType)
    {
        return new StorageType(format("%s<%s>", LIST_TYPE_NAME, elementStorageType.getHiveTypeName()));
    }