##
| foo | bar | foobar | "best"
------+-----------+----------+-------------+-------------
List | foo() | @{bar()} | foobar() | foo / foobar
Ref | [ foo() ] | bar() | foobar() | bar / foobar
Count | foo() | @{bar()} | @{foobar()} | foo
##
##
| foo | bar | foobar
------+-----------+----------+--------
List | copy | copy | copy
Ref | copy | no-copy | no-copy
Count | no-copy | no-copy | no-copy