default void writeInt(final int i) {
    final MutableBytes v = MutableBytes.create(4);
    v.setInt(0, i);
    writeBytes(v);
  }
Writes a 4-bytes value.

<p>Note that this is not a "scalar" write: the value will be encoded with exactly 4 bytes.

@param i The 4-bytes int to write.
ethereum/rlp/src/main/java/org/hyperledger/besu/ethereum/rlp/RLPOutput.java