code: public boolean deleteBlob(String bucketName, String blobName) {
      // [START deleteBlob]
      BlobId blobId = BlobId.of(bucketName, blobName);
      boolean deleted = storage.delete(blobId);
      if (deleted) {
        // the blob was deleted
      } else {
        // the blob was not found
      }
      // [END deleteBlob]
      return deleted;
    }
docs: [VARIABLE "my_blob_name"]