code: public boolean deleteBlobFromStringsWithGeneration(
        String bucketName, String blobName, long blobGeneration) {
      // [START deleteBlobFromStringsWithGeneration]
      boolean deleted =
          storage.delete(bucketName, blobName, BlobSourceOption.generationMatch(blobGeneration));
      if (deleted) {
        // the blob was deleted
      } else {
        // the blob was not found
      }
      // [END deleteBlobFromStringsWithGeneration]
      return deleted;
    }
docs: [VARIABLE 42]