)

type warmBackendGCS struct {
	client       *storage.Client
	Bucket       string
	Prefix       string
	StorageClass string
}

func (gcs *warmBackendGCS) getDest(object string) string {
	destObj := object
	if gcs.Prefix != "" {
		destObj = fmt.Sprintf("%s/%s", gcs.Prefix, object)
	}
	return destObj
}

      Byte[] prefix = {(byte) 86, (byte) 99};
      Byte[] all = concat(prefix, elements);
      return asList(all).subList(2, elements.length + 2);
    }
  }

  public static final class BytesAsListMiddleSubListGenerator extends TestByteListGenerator {
    @Override
    protected List<Byte> create(Byte[] elements) {
      Byte[] prefix = {Byte.MIN_VALUE, Byte.MAX_VALUE};

    protected List<Long> create(Long[] elements) {
      Long[] prefix = {86L, 99L};
      Long[] all = concat(prefix, elements);
      return asList(all).subList(2, elements.length + 2);
    }
  }

  public static final class LongsAsListMiddleSubListGenerator extends TestLongListGenerator {
    @Override
    protected List<Long> create(Long[] elements) {
      Long[] prefix = {Long.MIN_VALUE, Long.MAX_VALUE};

          GeneralSpliterator<E> spliterator, Consumer<? super E> consumer) {
        for (GeneralSpliterator<E> prefix = trySplitTestingSize(spliterator);
            prefix != null;
            prefix = trySplitTestingSize(spliterator)) {
          forEach(prefix, consumer);
        }
        long size = spliterator.getExactSizeIfKnown();
        long[] counter = {0};
        spliterator.forEachRemaining(

          GeneralSpliterator<E> spliterator, Consumer<? super E> consumer) {
        for (GeneralSpliterator<E> prefix = trySplitTestingSize(spliterator);
            prefix != null;
            prefix = trySplitTestingSize(spliterator)) {
          forEach(prefix, consumer);
        }
        long size = spliterator.getExactSizeIfKnown();
        long[] counter = {0};
        spliterator.forEachRemaining(

	return "hello" + string(es), nil
}

type CustomSerializer struct {
	prefix []byte
}

func NewCustomSerializer(prefix string) *CustomSerializer {
	return &CustomSerializer{prefix: []byte(prefix)}
}

func (c *CustomSerializer) Scan(ctx context.Context, field *schema.Field, dst reflect.Value, dbValue interface{}) (err error) {

        // Default constructor
    }

    /**
     * Gets the path prefix for API endpoints.
     * @return The path prefix.
     */
    public String getPathPrefix() {
        return pathPrefix;
    }

    /**
     * Sets the path prefix for API endpoints.
     * @param pathPrefix The path prefix to set.
     */
    public void setPathPrefix(final String pathPrefix) {

	Bucket string

	// Directory inside the bucket.
	// When unset listPath will set this based on Prefix
	BaseDir string

	// Scan/return only content with prefix.
	Prefix string

	// FilterPrefix will return only results with this prefix when scanning.
	// Should never contain a slash.
	// Prefix should still be set.
	FilterPrefix string

	// Marker to resume listing.

        private String lastScript;
        private Map<String, Object> lastParams;
        private final String prefix;

        public TestScriptEngine() {
            this.prefix = "";
        }

        public TestScriptEngine(String prefix) {
            this.prefix = prefix + ":";
        }

        @Override
        public Object evaluate(String template, Map<String, Object> paramMap) {

     * Creates an encoded parent directory ID from a path prefix.
     *
     * @param prefix the current path prefix
     * @return encoded parent directory ID, or empty string if at root
     */
    protected static String createParentId(final String prefix) {
        if (prefix == null) {
            return StringUtil.EMPTY;
        }
        final String[] values = prefix.split("/");
        if (values.length > 1) {