sub import {
    my ($class, %opts) = @_;
 
    $self = __PACKAGE__->_new(%opts);
 
    my $sub_name = $opts{sub_name} ? $opts{sub_name} : 'plugins';
 
    {
        no warnings 'redefine';
        no strict 'refs';
 
        my $pkg = (caller)[0];
        *{"$pkg\::$sub_name"} = \&_plugins;
    }
}