<?php
namespace Vendor\Package;
use FooClass;
namespace Vendor\Package;
use BarClass as Bar;
namespace Vendor\Package;
use BarClass as Bar;
namespace Vendor
\Package;
namespace Vendor\
Package;
namespace Vendor\
Package;
namespace Vendor\Package;
$call = namespace\function_name();
echo namespace\CONSTANT_NAME;
// Something which is not a blank line.