docs: def client_cookie_jar(self):
  		""" Return internal cookie jar that must be used as HTTP-request cookies
  
  		see :class:`.WHTTPCookieJar`
  
  		:return: WHTTPCookieJar
  		"""
  		cookie_jar = WHTTPCookieJar()
  		cookie_header = self.get_headers('Cookie')
  		for cookie_string in (cookie_header if cookie_header is not None else tuple()):
  			for single_cookie in WHTTPCookieJar.import_header_text(cookie_string):
  				cookie_jar.add_cookie(single_cookie)
  
  		return cookie_jar.ro()