+/// Debug function pointer variable for set port API
+/** This function pointer variable is a userspace tracepoint or debugger callback for
+ * set port function @a meshlink_set_port @a.
+ * On assigning a debug function variable invokes callback when try_bind() succeeds in meshlink_set_port API.
+ *
+ */
+extern void (*devtool_trybind_probe)(void);
+
+/// Debug function pointer variable for encrypted key rotate API
+/** This function pointer variable is a userspace tracepoint or debugger callback for
+ * encrypted key rotation function @a meshlink_encrypted_key_rotate @a.
+ * On assigning a debug function variable invokes callback for each stage from the key rotate API.
+ *
+ * @param stage Debug stage number.
+ */
+extern void (*devtool_keyrotate_probe)(int stage);
+