code: public static function getSchema(string $mapping) : Schema
      {
          $data = Mapping::get($mapping);
          $class = rtrim(ucfirst($data['config']['provider']), '\\') . '\\Schema';
  
          return new $class($mapping);
      }
docs: Get the schema instance of specified mapping.
  
  @param  string $mapping mapping name
  @return Schema schema instance