Valued Objects in assignments and emissions are now valued object references. Hence, they reuse the KExpressions concepts.
Be warned. You need a lot of memory to rebuild the complete Esterel & SCEst grammar.
Excerpt from the Esterel MWE file:
/* * IMPORTANT: * Building this grammar requires more memory than usual builds. * 4GB seem to work (JVM argument: -Xmx4g) */