Net::Amazon::S3::Vendor::Generic3pm

        my $s3 = Net::Amazon::S3->new (
                vendor => Net::Amazon::S3::Vendor::Generic->new (
                        host => ...,
                        use_https => ...',
                        use_virtual_host => ...,
                        authorization_method => ...,
                        default_region => ...,
                ),
                ...
        );