@@ -938,7 +938,7 @@ protected function extractAttributes(object $object, string $format = null, arra
938938 return array_keys ((array ) $ object );
939939 }
940940
941- protected function getAttributeValue (object $ object , string $ attribute , string $ format = null , array $ context = [])
941+ protected function getAttributeValue (object $ object , string $ attribute , string $ format = null , array $ context = []): mixed
942942 {
943943 return $ object ->{$ attribute };
944944 }
@@ -978,7 +978,7 @@ protected function extractAttributes(object $object, string $format = null, arra
978978 return array_keys ((array ) $ object );
979979 }
980980
981- protected function getAttributeValue (object $ object , string $ attribute , string $ format = null , array $ context = [])
981+ protected function getAttributeValue (object $ object , string $ attribute , string $ format = null , array $ context = []): mixed
982982 {
983983 return $ object ->{$ attribute };
984984 }
@@ -1013,7 +1013,7 @@ protected function extractAttributes(object $object, string $format = null, arra
10131013 return array_keys ((array ) $ object );
10141014 }
10151015
1016- protected function getAttributeValue (object $ object , string $ attribute , string $ format = null , array $ context = [])
1016+ protected function getAttributeValue (object $ object , string $ attribute , string $ format = null , array $ context = []): mixed
10171017 {
10181018 return $ object ->{$ attribute };
10191019 }
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