@Override public final <T> T accept(ExpressionVisitor<T> visitor) { List<T> l = acceptChildren(visitor, visitor.visitEnter(this)); T t = visitor.visitLeave(this, l); if (t == null) { t = visitor.defaultReturn(this, l); } return t; }
@Override public final <T> T accept(ExpressionVisitor<T> visitor) { return visitor.visit(this); }