public Optional<BlobSchedule> getBlobSchedule(final String key) {
    return JsonUtil.getObjectNode(blobScheduleOptionsConfigRoot, key).map(BlobSchedule::new);
  }
Gets blob schedule by key.

@param key the key for the blob schedule
@return the blob schedule
config/src/main/java/org/hyperledger/besu/config/BlobScheduleOptions.java