Add missing PHPdoc return types

Author: wouterj

Helper/Helper.php

@@ -117,6 +117,9 @@ public static function formatTime(int|float $secs)
         }
     }
 
+    /**
+     * @return string
+     */
     public static function formatMemory(int $memory)
     {
         if ($memory >= 1024 * 1024 * 1024) {
@@ -134,6 +137,9 @@ public static function formatMemory(int $memory)
         return sprintf('%d B', $memory);
     }
 
+    /**
+     * @return string
+     */
     public static function removeDecoration(OutputFormatterInterface $formatter, ?string $string)
     {
         $isDecorated = $formatter->isDecorated();

Question/Question.php

@@ -265,6 +265,9 @@ public function getNormalizer(): ?callable
         return $this->normalizer;
     }
 
+    /**
+     * @return bool
+     */
     protected function isAssoc(array $array)
     {
         return (bool) \count(array_filter(array_keys($array), 'is_string'));

Style/OutputStyle.php

@@ -100,6 +100,9 @@ public function isDebug(): bool
         return $this->output->isDebug();
     }
 
+    /**
+     * @return OutputInterface
+     */
     protected function getErrorOutput()
     {
         if (!$this->output instanceof ConsoleOutputInterface) {