UrlQueueImpl<Long> queue = new UrlQueueImpl<>();

        String metaData = "{\"key\":\"value\"}";
        queue.setMetaData(metaData);
        assertEquals(metaData, queue.getMetaData());

        queue.setMetaData(null);
        assertNull(queue.getMetaData());
    }

    public void test_encodingGetterSetter() {
        // Test encoding getter/setter

                .setContentType("application/octet-stream")//
                .setMetadata(Map.of("label", "label1"))//
                .build(), "file1".getBytes());

        storage.create(BlobInfo.newBuilder(BlobId.of(bucketName, "dir1/file2.txt"))//
                .setContentType("application/octet-stream")//
                .setMetadata(Map.of("label", "label2"))//
                .build(), "file2".getBytes());

        try {
            final Blob blob = storage.get(BlobId.of(bucket, objectName));
            if (blob != null) {
                // GCS uses metadata instead of tags
                blob.toBuilder().setMetadata(tags).build().update();
            } else {
                throw new StorageException("Object not found: " + objectName);
            }
        } catch (final StorageException e) {
            throw e;

            }

            @Override
            public void setUrl(String u) {
            }

            @Override
            public String getMetaData() {
                return null;
            }

            @Override
            public void setMetaData(String metaData) {
            }

            @Override
            public String getEncoding() {
                return null;
            }

                }
            }

            if (includeContent) {
                // Add blob metadata as response metadata (only when content is included)
                final Map<String, String> blobMetadata = blob.getMetadata();
                if (blobMetadata != null) {
                    blobMetadata.forEach(responseData::addMetaData);
                }
                if (blob.getSize() < maxCachedContentSize) {