Applying this, as I learned this week, is trivial with Moose (or Mouse). Here is a snippet that installs a Template object inside your object, and only when needed, and then dispatches--via the handles param which has even more sugar than shown--any calls on your $object->process to the TT2 object exactly as if it were called instead. It's really very hot.

use Mouse;

has "tt2" => ( is => "ro",
               lazy => 1, # not always used
               isa => "Template",
               default => sub {
                   require Template;
                   Template->new();
               },
               handles => [qw( process )],
             );
[download]

Update (2017-07-11): moved use to require inside the default sub. A better practice if the object is not always used.