// Use credentials file if specified
                    try (InputStream is = new FileInputStream(credentialsFile)) {
                        builder.setCredentials(ServiceAccountCredentials.fromStream(is));
                    }
                }
                // If no credentials file or endpoint, GoogleCredentials.getApplicationDefault() will be used

                storage = builder.build().getService();

            if (StringUtil.isNotBlank(credentialsPath)) {
                try (FileInputStream fis = new FileInputStream(credentialsPath)) {
                    final GoogleCredentials credentials = GoogleCredentials.fromStream(fis);
                    builder.setCredentials(credentials);
                } catch (final IOException e) {
                    throw new StorageException("Failed to load GCS credentials from " + credentialsPath, e);

            if (StringUtil.isNotBlank(credentialsFile)) {
                try (InputStream is = new FileInputStream(credentialsFile)) {
                    builder.setCredentials(ServiceAccountCredentials.fromStream(is));
                    if (logger.isDebugEnabled()) {
                        logger.debug("Using GCS credentials from file: {}", credentialsFile);
                    }
                } catch (final Exception e) {