public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof HackVisitor) ((HackVisitor) visitor).visitStaticShapePairItem(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof HackVisitor) ((HackVisitor) visitor).visitLogicalOperator(this);
   else super.accept(visitor);
 }
 public void accept(@NotNull PsiElementVisitor visitor) {
   if (visitor instanceof HackVisitor) ((HackVisitor) visitor).visitForeachVariable(this);
   else super.accept(visitor);
 }