package MyModule;
use strict;
use warnings;
use diagnostics;
use Carp;
...

##</code><code>##

package DevDaily::Time;
require Exporter;

our @ISA     = qw(Exporter);
our @EXPORT  = qw(get_time_suffix);   # symbols to be exported by default (space-separated)
our $VERSION = 1.00;                  # version number
...