code: public Blob getBlobFromStringsWithMetageneration(
        String bucketName, String blobName, long blobMetageneration) {
      // [START getBlobFromStringsWithMetageneration]
      Blob blob =
          storage.get(bucketName, blobName, BlobGetOption.metagenerationMatch(blobMetageneration));
      // [END getBlobFromStringsWithMetageneration]
      return blob;
    }
docs: [VARIABLE 42]