def by_conversation_thread_id(self,conversation_thread_id: str) -> ConversationThreadItemRequestBuilder:
        """
        Provides operations to manage the threads property of the microsoft.graph.group entity.
        param conversation_thread_id: The unique identifier of conversationThread
        Returns: ConversationThreadItemRequestBuilder
        """
        if conversation_thread_id is None:
            raise TypeError("conversation_thread_id cannot be null.")
        from .item.conversation_thread_item_request_builder import ConversationThreadItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["conversationThread%2Did"] = conversation_thread_id
        return ConversationThreadItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the threads property of the microsoft.graph.group entity.
        param conversation_thread_id: The unique identifier of conversationThread
        Returns: ConversationThreadItemRequestBuilder
        
msgraph/generated/groups/item/threads/threads_request_builder.py