def by_user_flow_language_page_id(self,user_flow_language_page_id: str) -> UserFlowLanguagePageItemRequestBuilder:
        """
        Provides operations to manage the defaultPages property of the microsoft.graph.userFlowLanguageConfiguration entity.
        param user_flow_language_page_id: The unique identifier of userFlowLanguagePage
        Returns: UserFlowLanguagePageItemRequestBuilder
        """
        if user_flow_language_page_id is None:
            raise TypeError("user_flow_language_page_id cannot be null.")
        from .item.user_flow_language_page_item_request_builder import UserFlowLanguagePageItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["userFlowLanguagePage%2Did"] = user_flow_language_page_id
        return UserFlowLanguagePageItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the defaultPages property of the microsoft.graph.userFlowLanguageConfiguration entity.
        param user_flow_language_page_id: The unique identifier of userFlowLanguagePage
        Returns: UserFlowLanguagePageItemRequestBuilder
        
msgraph/generated/identity/b2x_user_flows/item/languages/item/default_pages/default_pages_request_builder.py