iiop-openjdk/src/main/java/org/wildfly/iiop/openjdk/rmi/ir/RepositoryImpl.java
protected byte[] getAnonymousObjectId(long n) {
        String s = anonOidPrefix + Long.toString(n);
        return s.getBytes(StandardCharsets.UTF_8);
    }
protected byte[] getAnonymousObjectId(long n) {
        String s = anonOidPrefix + Long.toString(n);
        return s.getBytes(StandardCharsets.UTF_8);
    }
Generate the ID of the n-th "anonymous" object created in this IR.