+ /**
+ * @brief Get buffer queue which the layer offers.
+ * @param[in] layer A layer object
+ * @param[out] buffer_queue The buffer queue
+ * @return #TDM_ERROR_NONE if success. Otherwise, error value.
+ * @since 2.0.0
+ */
+ tdm_error (*layer_get_buffer_queue)(tdm_layer *layer, tbm_surface_queue_h *buffer_queue);
+