Goal for supporting auth / version / name in module / class / grammar ?

gistfile1.txt

# should produce JRANDOM\nELIZABETH\n as output

module Foo:auth<JRANDOM> {
    sub foo is export { say "JRANDOM" };
}

module Foo:auth<ELIZABETH> {
    sub foo is export { say "ELIZABETH" };
}

{
    use Foo:auth<JRANDOM>;
    say foo;
}

{
    use Foo:auth<ELIZABETH>;
    say foo;
}