/**
* Returns the default mime type known for the given extension.
*
* @see Honeybee\Common\Util\FileToolkit::guessExtensionByMimeType
*
* @param string $extension
* @param string $fallback_mime_type mime_type to return when no match was found
*
* @return string mime-type for given extension or the provided fallback
*/
public function guessMimeTypeByExtension($extension, $fallback_mime_type = '')
{
return FileToolkit::guessMimeTypeByExtension($extension, $fallback_mime_type);
}