+
+/* Properties related */
+XBT_PUBLIC(xbt_dict_t) gras_process_properties(void);
+XBT_PUBLIC(const char*) gras_process_property_value(const char* name);
+
+XBT_PUBLIC(xbt_dict_t) gras_os_host_properties(void);
+XBT_PUBLIC(const char*) gras_os_host_property_value(const char* name);
+