def device_states(self) -> DeviceStatesRequestBuilder:
        """
        Provides operations to manage the deviceStates property of the microsoft.graph.userInstallStateSummary entity.
        """
        from .device_states.device_states_request_builder import DeviceStatesRequestBuilder

        return DeviceStatesRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the deviceStates property of the microsoft.graph.userInstallStateSummary entity.
        
msgraph/generated/device_app_management/managed_e_books/item/user_state_summary/item/user_install_state_summary_item_request_builder.py