# Pastebin E75Qqzdi
MacBook-Pro-de-Fernando:Tests fernando$ echo 'class Bla {...}; class Ble {trusts Bla; has $!private = "priv"};' > Ble.pm6
MacBook-Pro-de-Fernando:Tests fernando$ echo 'class Bla {has Bla $.ble .= new; method say-ble-priv{$!ble.private.say}};' > Bla.pm6
MacBook-Pro-de-Fernando:Tests fernando$ perl6 -I. -MBle -MBla -e 'Bla.new.say-ble-priv'
===SORRY!=== Error while compiling /Users/fernando/Tests/Ble.pm6 (Ble)
The following packages were stubbed but not defined:
    Bla
at /Users/fernando/Tests/Ble.pm6 (Ble):2
------> <BOL>⏏<EOL>
MacBook-Pro-de-Fernando:Tests fernando$