code: public boolean deleteBucketWithMetageneration(String bucketName, long bucketMetageneration) {
      // [START deleteBucketWithMetageneration]
      boolean deleted =
          storage.delete(bucketName, BucketSourceOption.metagenerationMatch(bucketMetageneration));
      if (deleted) {
        // the bucket was deleted
      } else {
        // the bucket was not found
      }
      // [END deleteBucketWithMetageneration]
      return deleted;
    }
docs: [VARIABLE 42]