<?php

namespace Kunstmaan\AdminBundle\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Extension\Core\Type\TextareaType;
use Symfony\Component\Form\FormBuilderInterface;

class WysiwygType extends AbstractType
{
    /**
     * @var DataTransformerInterface
     */
    private $mediaTokenTransformer;

    public function __construct(DataTransformerInterface $mediaTokenTransformer)
    {
        $this->mediaTokenTransformer = $mediaTokenTransformer;
    }

    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->addModelTransformer($this->mediaTokenTransformer);
    }

    /**
     * @return string
     */
    public function getParent()
    {
        return TextareaType::class;
    }

    /**
     * @return string
     */
    public function getBlockPrefix()
    {
        return 'wysiwyg';
    }
}

<?php

namespace Kunstmaan\AdminBundle\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\DataTransformerInterface;
use Symfony\Component\Form\Extension\Core\Type\TextareaType;
use Symfony\Component\Form\FormBuilderInterface;

class WysiwygType extends AbstractType
{
    /**
     * @var DataTransformerInterface
     */
    private $mediaTokenTransformer;

    public function __construct(DataTransformerInterface $mediaTokenTransformer)
    {
        $this->mediaTokenTransformer = $mediaTokenTransformer;
    }

    /**
     * @param FormBuilderInterface $builder
     * @param array                $options
     */
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->addModelTransformer($this->mediaTokenTransformer);
    }

    /**
     * @return string
     */
    public function getParent()
    {
        return TextareaType::class;
    }

    /**
     * @return string
     */
    public function getBlockPrefix()
    {
        return 'wysiwyg';
    }
}

--- 
+++ 
@@ -19,10 +19,6 @@
         $this->mediaTokenTransformer = $mediaTokenTransformer;
     }
 
-    /**
-     * @param FormBuilderInterface $builder
-     * @param array                $options
-     */
     public function buildForm(FormBuilderInterface $builder, array $options)
     {
         $builder->addModelTransformer($this->mediaTokenTransformer);
[AllBundles] Fix codestyle issues after 5.7 upmerge
