CS.

phpmd-ruleset.xml

@@ -5,5 +5,5 @@
          xsi:schemaLocation="http://pmd.sf.net/ruleset/1.0.0 http://pmd.sf.net/ruleset_xml_schema.xsd"
          xsi:noNamespaceSchemaLocation="http://pmd.sf.net/ruleset_xml_schema.xsd">
 
-    <rule ref="vendor/irstea/phpmd-config/strict.xml"/>
+    <rule ref="vendor/irstea/phpmd-config/loose.xml"/>
 </ruleset>

src/Maybe.php

@@ -54,19 +54,21 @@ abstract class Maybe implements \IteratorAggregate
     abstract public function resolve(callable $withJust, callable $withNothing);
 
     /**
-     * @param $default
+     * @param mixed $default
      *
      * @return mixed
      */
     abstract public function valueOr($default);
 
     /**
+     * @throws NothingException
+     *
      * @return mixed
      */
     abstract public function value();
 
     /**
-     * @return mixed
+     * @return array
      */
     abstract public function toArray(): array;
 
@@ -108,6 +110,8 @@ abstract class Maybe implements \IteratorAggregate
 
     /**
      * @param callable $generator
+     *
+     * @return Maybe
      */
     public static function run(callable $generator): Maybe
     {

src/Maybe/Just.php

@@ -22,7 +22,7 @@ final class Just extends Maybe
     /**
      * Just constructor.
      *
-     * @param $value
+     * @param mixed $value
      */
     private function __construct($value)
     {