minor #51173 Add some PHPDoc (HypeMC)

This PR was merged into the 6.4 branch.

Discussion
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Add some PHPDoc

| Q             | A
| ------------- | ---
| Branch?       | 6.4
| Bug fix?      | no
| New feature?  | no
| Deprecations? | no
| Tickets       | -
| License       | MIT
| Doc PR        | -

Helps IDEs with autocompletion/code navigation.

Commits
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5bcdbe5987 Add some PHPDoc

Author: nicolas-grekas

DependencyInjection/Compiler/ProfilerPass.php

@@ -42,8 +42,7 @@ public function process(ContainerBuilder $container)
             $template = null;
 
             $collectorClass = $container->findDefinition($id)->getClass();
-            $isTemplateAware = is_subclass_of($collectorClass, TemplateAwareDataCollectorInterface::class);
-            if (isset($attributes[0]['template']) || $isTemplateAware) {
+            if (isset($attributes[0]['template']) || is_subclass_of($collectorClass, TemplateAwareDataCollectorInterface::class)) {
                 $idForTemplate = $attributes[0]['id'] ?? $collectorClass;
                 if (!$idForTemplate) {
                     throw new InvalidArgumentException(sprintf('Data collector service "%s" must have an id attribute in order to specify a template.', $id));