Added missing comments/properties.

module/VuFind/src/VuFind/Recommend/AbstractSearchManagerAwareModule.php

@@ -43,6 +43,11 @@ use Zend\ServiceManager\ServiceLocatorInterface,
 abstract class AbstractSearchManagerAwareModule implements RecommendInterface,
     ServiceLocatorAwareInterface
 {
+    /**
+     * Service locator
+     *
+     * @var ServiceLocatorInterface
+     */
     protected $serviceLocator;
 
     /**

module/VuFind/src/VuFind/Record/Loader.php

@@ -40,6 +40,13 @@ use Zend\ServiceManager\ServiceLocatorAwareInterface,
  */
 class Loader implements ServiceLocatorAwareInterface
 {
+    /**
+     * Service locator
+     *
+     * @var ServiceLocatorInterface
+     */
+    protected $serviceLocator;
+
     /**
      * Temporary method to get instance of object -- TODO: eliminate in place of
      * service manager after further refactoring.

module/VuFind/src/VuFind/Related/AbstractServiceLocator.php

@@ -41,6 +41,11 @@ use Zend\ServiceManager\ServiceLocatorInterface,
 abstract class AbstractServiceLocator implements RelatedInterface,
     ServiceLocatorAwareInterface
 {
+    /**
+     * Service locator
+     *
+     * @var ServiceLocatorInterface
+     */
     protected $serviceLocator;
 
     /**