public Optional<Double> getBlobGarbageCollectionAgeCutoff() {
    return blobGarbageCollectionAgeCutoff;
  }
Gets blob garbage collection age cutoff.

@return the blob garbage collection age cutoff, if set
plugins/rocksdb/src/main/java/org/hyperledger/besu/plugin/services/storage/rocksdb/configuration/RocksDBFactoryConfiguration.java