static boolean isShortList(final int payloadSize) {
    return payloadSize <= 55;
  }
Helper static methods to facilitate RLP encoding <b>within this package</b>. Neither this class
nor any of its method are meant to be exposed publicly, they are too low level.
ethereum/rlp/src/main/java/org/hyperledger/besu/ethereum/rlp/RLPEncodingHelpers.java