src/Schema/Extension/FileExtension.php
public function buildSchema(Builder $builder)
    {
        $builder->add('mime-type', StringDescriptor::class, 'Mime-type of the file');
        $builder->add('size', IntegerDescriptor::class, 'Size of the file in bytes');
        $builder->add('encoding', StringDescriptor::class, 'Encoding of the file');
    }
public function buildSchema(Builder $builder)
    {
        $builder->add('mime-type', StringDescriptor::class, 'Mime-type of the file');
        $builder->add('size', IntegerDescriptor::class, 'Size of the file in bytes');
        $builder->add('encoding', StringDescriptor::class, 'Encoding of the file');
    }
{@inheritdoc}