+#define SPI_SELECTION_TYPE (spi_selection_get_type ())
+#define SPI_SELECTION(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), SPI_SELECTION_TYPE, SpiSelection))
+#define SPI_SELECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass), SPI_SELECTION_TYPE, SpiSelectionClass))
+#define SPI_IS_SELECTION(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), SPI_SELECTION_TYPE))
+#define SPI_IS_SELECTION_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), SPI_SELECTION_TYPE))