public static Endpoint decodeStandalone(final RLPInput in) {
    final int size = in.enterList();
    final Endpoint endpoint = decodeInline(in, size);
    in.leaveList();
    return endpoint;
  }
Decodes the RLP stream as a standalone Endpoint instance, which is not part of a Peer.

@param in The RLP input stream from which to read.
@return The decoded endpoint.
ethereum/p2p/src/main/java/org/hyperledger/besu/ethereum/p2p/discovery/Endpoint.java