private function resolve()
{
foreach ($this->filetypes as $mediaType => $arrayOfFileTypes) {
if (in_array(strtolower($this->file->getClientOriginalExtension()), $arrayOfFileTypes) && in_array($this->file->getMimeType(), $this->mimetypes[$mediaType])) {
return MissionControlType::fromString($mediaType);
}
}
return false;
}