/**
* @return string
* The primary key of this model
*/
public function primaryKeyValue() : string
{
return $this->file->getFilePath();
}
/**
* @return array
* Get a map from column name to row values for
* this instance
*/
public function toRow() : array
{
return ['file_path' => $this->file->getFilePath(), 'modification_time' => $this->file->getModificationTime()];
}