Add return types to docblocks for ProblemController.

Author: nickygerritsen

phpstan-baseline.neon

@@ -1,14 +1,5 @@
 parameters:
 	ignoreErrors:
-		-
-			message: "#^Method App\\\\Controller\\\\API\\\\ProblemController\\:\\:addProblemsAction\\(\\) return type has no value type specified in iterable type array\\.$#"
-			count: 1
-			path: webapp/src/Controller/API/ProblemController.php
-
-		-
-			message: "#^Method App\\\\Controller\\\\API\\\\ProblemController\\:\\:transformObject\\(\\) has parameter \\$object with no value type specified in iterable type array\\.$#"
-			count: 1
-			path: webapp/src/Controller/API/ProblemController.php
 		-
 			message: "#^Method App\\\\FosRestBundle\\\\FlattenExceptionHandler\\:\\:serializeToJson\\(\\) has parameter \\$type with no value type specified in iterable type array\\.$#"
 			count: 1

webapp/src/Controller/API/ProblemController.php

@@ -57,6 +57,7 @@ public function __construct(
     /**
      * Add one or more problems.
      *
+     * @return int[]
      * @throws BadRequestHttpException
      * @throws NonUniqueResultException
      */
@@ -463,7 +464,7 @@ protected function getIdField(): string
 
     /**
      * Transform the given object before returning it from the API.
-     * @param array $object
+     * @param array{0: ContestProblem, testdatacount: int} $object
      */
     public function transformObject($object): ContestProblem|ContestProblemWrapper
     {