use warnings;
use strict;
use Data::Dumper;


package testB1;

sub PackageB1 {
    return __PACKAGE__ . "\n";
}


sub AnotherB1 {
    return "Another\n";
}


package test;

use parent -norequire, qw(testB1);


sub new {
    my ($class) = @_;

    return bless {}, $class;
}


sub Package {
    return __PACKAGE__ . "\n";
}


package main;

my $obj = test->new ();

    {
    no strict 'refs';
    print "\nInstance METHOD IS  " . Dumper( \%{ref ($obj)."::" }) ;
    }

print $obj->PackageB1 ();

    {
    no strict 'refs';
    print "\nInstance METHOD IS  " . Dumper( \%{ref ($obj)."::" }) ;
    }