Pluralize it!

Co-authored-by: JakeQZ <jake.github@qzdesign.co.uk>

Author: oliverklee

src/RuleSet/RuleSet.php

@@ -347,12 +347,12 @@ static function () use ($declaration, $nextLevelFormat): string {
     public function getArrayRepresentation(): array
     {
         $declarationsArrayRepresentation = [];
-        foreach ($this->declarations as $propertyName => $declarationForOneProperty) {
+        foreach ($this->declarations as $propertyName => $declarationsForOneProperty) {
             $declarationsArrayRepresentation[$propertyName] = \array_map(
                 function (Declaration $declaration): array {
                     return $declaration->getArrayRepresentation();
                 },
-                $declarationForOneProperty
+                $declarationsForOneProperty
             );
         }