docs: def __attr_name(self, name):
  		""" Return suitable and valid attribute name. This method replaces dash char to underscore. If name
  		is invalid ValueError exception is raised
  
  		:param name: cookie attribute name
  		:return: str
  		"""
  		if name not in self.cookie_attr_value_compliance.keys():
  			suggested_name = name.replace('_', '-').lower()
  			if suggested_name not in self.cookie_attr_value_compliance.keys():
  				raise ValueError('Invalid attribute name is specified')
  			name = suggested_name
  		return name