remove usage of deprecated Role into Export

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/AdministrativeLocationAggregator.php

@@ -32,7 +32,7 @@ class AdministrativeLocationAggregator implements AggregatorInterface
         $this->translatableStringHelper = $translatableStringHelper;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ClosingMotiveAggregator.php

@@ -33,7 +33,7 @@ class ClosingMotiveAggregator implements AggregatorInterface
         $this->translatableStringHelper = $translatableStringHelper;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ConfidentialAggregator.php

@@ -27,7 +27,7 @@ class ConfidentialAggregator implements AggregatorInterface
         $this->translator = $translator;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/DurationAggregator.php

@@ -35,7 +35,7 @@ class DurationAggregator implements AggregatorInterface
         $this->translator = $translator;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/EmergencyAggregator.php

@@ -27,7 +27,7 @@ class EmergencyAggregator implements AggregatorInterface
         $this->translator = $translator;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/EvaluationAggregator.php

@@ -33,7 +33,7 @@ final class EvaluationAggregator implements AggregatorInterface
         $this->translatableStringHelper = $translatableStringHelper;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/IntensityAggregator.php

@@ -27,7 +27,7 @@ class IntensityAggregator implements AggregatorInterface
         $this->translator = $translator;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/JobAggregator.php

@@ -32,7 +32,7 @@ final class JobAggregator implements AggregatorInterface
         $this->translatableStringHelper = $translatableStringHelper;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/OriginAggregator.php

@@ -34,7 +34,7 @@ final class OriginAggregator implements AggregatorInterface
         $this->translatableStringHelper = $translatableStringHelper;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ReferrerAggregator.php

@@ -32,7 +32,7 @@ final class ReferrerAggregator implements AggregatorInterface
         $this->userRender = $userRender;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/ScopeAggregator.php

@@ -32,7 +32,7 @@ final class ScopeAggregator implements AggregatorInterface
         $this->translatableStringHelper = $translatableStringHelper;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/SocialActionAggregator.php

@@ -33,7 +33,7 @@ final class SocialActionAggregator implements AggregatorInterface
         $this->actionRepository = $actionRepository;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/SocialIssueAggregator.php

@@ -32,7 +32,7 @@ final class SocialIssueAggregator implements AggregatorInterface
         $this->issueRender = $issueRender;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }

src/Bundle/ChillPersonBundle/Export/Aggregator/AccompanyingCourseAggregators/StepAggregator.php

@@ -33,7 +33,7 @@ final class StepAggregator implements AggregatorInterface //, FilterInterface
         $this->translator = $translator;
     }
 
-    public function addRole()
+    public function addRole(): ?string
     {
         return null;
     }