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# client code

use NiftySuperPack;

whooo("hey");            # exported function
my $obj = Nifty->new();  # where did that constructer come from?

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# NiftySuperPack.pm

# There *is* no package NiftySuperPack!
...
  no strict;
  *{caller() . "::whooo"} = \&Nifty::Utils::whooo; # forced export
}