More phpstan checks for better code

tests/unit/Assets/CustomParam.php

@@ -10,7 +10,10 @@ use phpDocumentor\Reflection\FqsenResolver;
 
 final class CustomParam implements Tag
 {
+    /** @var string|null */
     public $myParam;
+
+    /** @var FqsenResolver|null */
     public $fqsenResolver;
 
     public function getName() : string
@@ -18,7 +21,7 @@ final class CustomParam implements Tag
         return 'spy';
     }
 
-    public static function create($body, FqsenResolver $fqsenResolver = null, ?string $myParam = null)
+    public static function create(string $body, FqsenResolver $fqsenResolver = null, ?string $myParam = null)
     {
         $tag = new self();
         $tag->fqsenResolver = $fqsenResolver;

tests/unit/Assets/CustomServiceClass.php

@@ -7,11 +7,10 @@ namespace phpDocumentor\Reflection\Assets;
 use phpDocumentor\Reflection\DocBlock\Tag;
 use phpDocumentor\Reflection\DocBlock\Tags\Formatter;
 use phpDocumentor\Reflection\DocBlock\Tags\Formatter\PassthroughFormatter;
-use phpDocumentor\Reflection\FqsenResolver;
-use phpDocumentor\Reflection\DocBlock\Tags\Factory\StaticMethod;
 
 final class CustomServiceClass implements Tag
 {
+    /** @var Formatter|null */
     public $formatter;
 
     public function getName() : string
@@ -19,7 +18,7 @@ final class CustomServiceClass implements Tag
         return 'spy';
     }
 
-    public static function create($body, PassthroughFormatter $formatter = null)
+    public static function create(string $body, PassthroughFormatter $formatter = null)
     {
         $tag = new self();
         $tag->formatter = $formatter;

tests/unit/Assets/CustomServiceInterface.php

@@ -11,6 +11,7 @@ use phpDocumentor\Reflection\DocBlock\Tags\Factory\StaticMethod;
 
 final class CustomServiceInterface implements Tag
 {
+    /** @var Formatter|null */
     public $formatter;
 
     public function getName() : string
@@ -18,7 +19,7 @@ final class CustomServiceInterface implements Tag
         return 'spy';
     }
 
-    public static function create($body, Formatter $formatter = null)
+    public static function create(string $body, Formatter $formatter = null)
     {
         $tag = new self();
         $tag->formatter = $formatter;

tests/unit/Assets/CustomTagFactory.php

@@ -20,6 +20,7 @@ use phpDocumentor\Reflection\Types\Context;
 
 class CustomTagFactory implements Factory
 {
+    /** @var CustomServiceClass|null */
     public $class;
 
     public function create(string $tagLine, ?Context $context = null, CustomServiceClass $class = null): Tag