def get_thumbnail(path, format='jpeg', size='w64h64')
      resp, body = content_request('/files/get_thumbnail', path: path, format: format, size: size)
      return FileMetadata.new(resp), body
    end
def get_thumbnail(path, format='jpeg', size='w64h64')
      resp, body = content_request('/files/get_thumbnail', path: path, format: format, size: size)
      return FileMetadata.new(resp), body
    end
Get a thumbnail for an image.

 @param [String] path
 @param [String] format
 @param [String] size
 @return [Dropbox::FileMetadata] metadata
 @return [HTTP::Response::Body] body