@Override
    public void visitRegExpNamedGroupRef(RegExpNamedGroupRef groupRef) {
      super.visitRegExpNamedGroupRef(groupRef);
      if (mySupport != RegExpLanguageHost.Lookbehind.FULL) {
        stopAndReportError(groupRef, RegExpBundle.message("error.named.group.reference.not.allowed.inside.lookbehind"));
      }
    }
@Override
    public void visitRegExpNamedGroupRef(RegExpNamedGroupRef groupRef)