Add missing return types to magic methods

Author: wouterj

Pipes/UnixPipes.php

@@ -40,7 +40,7 @@ public function __sleep(): array
 thrownew \BadMethodCallException('Cannot serialize '.__CLASS__);
  }
 
-publicfunction__wakeup()
+publicfunction__wakeup(): void
  {
 thrownew \BadMethodCallException('Cannot unserialize '.__CLASS__);
  }

Pipes/WindowsPipes.php

@@ -93,7 +93,7 @@ public function __sleep(): array
 thrownew \BadMethodCallException('Cannot serialize '.__CLASS__);
  }
 
-publicfunction__wakeup()
+publicfunction__wakeup(): void
  {
 thrownew \BadMethodCallException('Cannot unserialize '.__CLASS__);
  }

Process.php

@@ -200,6 +200,9 @@ public function __sleep(): array
 thrownew \BadMethodCallException('Cannot serialize '.__CLASS__);
  }
 
+/**
+ * @return void
+ */
 publicfunction__wakeup()
  {
 thrownew \BadMethodCallException('Cannot unserialize '.__CLASS__);