chore: code format

source/monster.mjs

@@ -106,6 +106,7 @@ export * from "./util/deadmansswitch.mjs";
 export * from "./util/comparator.mjs";
 export * from "./util/freeze.mjs";
 export * from "./util/clone.mjs";
+export * from "./util/processing/callback.mjs";
 export * from "./logging/handler/console.mjs";
 export * from "./logging/logger.mjs";
 export * from "./logging/handler.mjs";