}
@Override
public Extend handleExtendInDeclaration(HiddenTokenAwareTree token) {
HiddenTokenAwareTree child = token.getChild(0);
Pseudo extendAsPseudo = handlePseudo(child);
if (!(extendAsPseudo instanceof PseudoClass))
throw new BugHappened(GRAMMAR_MISMATCH, extendAsPseudo);
PseudoClass asPseudoclass = (PseudoClass) extendAsPseudo;