fix

lib/abstractfactory/mainabstractfactory.php

@@ -1,20 +1,20 @@
 <?php
 
 
-namespace Bx\Null\AbstractFactory;
+namespace Bx\Nullable\AbstractFactory;
 
 
 use Wt\Core\AbstractFactory\AAbstractFactory;
-use Bx\Null\Factory\NullFactory;
+use Bx\Nullable\Factory\NullableFactory;
 
 class MainAbstractFactory extends AAbstractFactory
 {
     /**
-     * @return NullFactory
+     * @return NullableFactory
      */
-    public function getNullFactory()
+    public function getNullableFactory()
     {
-        return $this->getFactoryInstance(NullFactory::class);
+        return $this->getFactoryInstance(NullableFactory::class);
     }
 
 }