<documentation title="Compound Namespace Depth">
<standard>
<![CDATA[
Compound namespaces with a depth of more than two MUST NOT be used.
]]>
</standard>
<code_comparison>
<code title="Valid: Max depth of 2.">
<![CDATA[
use Vendor\Package\SomeNamespace\{
SubnamespaceOne\ClassA,
SubnamespaceOne\ClassB,
SubnamespaceTwo\ClassY,
ClassZ,
};
]]>
</code>
<code title="Invalid: Max depth of 3.">
<![CDATA[
use Vendor\Package\SomeNamespace\{
<em>SubnamespaceOne\AnotherNamespace\ClassA,</em>
SubnamespaceOne\ClassB,
ClassZ,
};
]]>
</code>
</code_comparison>
</documentation>