Index: node_modules/es-toolkit/dist/object/findKey.d.ts
===================================================================
--- node_modules/es-toolkit/dist/object/findKey.d.ts	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
+++ node_modules/es-toolkit/dist/object/findKey.d.ts	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
@@ -0,0 +1,21 @@
+/**
+ * Finds the key of the first element in the object that satisfies the provided testing function.
+ *
+ * @param {T} obj - The object to search.
+ * @param {(value: T[keyof T], key: keyof T, obj: T) => boolean} predicate - The function to execute on each value in the object. It takes three arguments:
+ *   - value: The current value being processed in the object.
+ *   - key: The key of the current value being processed in the object.
+ *   - obj: The object that findKey was called upon.
+ * @returns {keyof T | undefined} The key of the first element in the object that passes the test, or undefined if no element passes.
+ *
+ * @example
+ * const users = {
+ *   'barney':  { 'age': 36, 'active': true },
+ *   'fred':    { 'age': 40, 'active': false },
+ *   'pebbles': { 'age': 1,  'active': true }
+ * };
+ * findKey(users, function(o) { return o.age < 40; }); => 'barney'
+ */
+declare function findKey<T extends Record<any, any>>(obj: T, predicate: (value: T[keyof T], key: keyof T, obj: T) => boolean): keyof T | undefined;
+
+export { findKey };