Index: node_modules/es-toolkit/dist/array/flattenDeep.d.ts
===================================================================
--- node_modules/es-toolkit/dist/array/flattenDeep.d.ts	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
+++ node_modules/es-toolkit/dist/array/flattenDeep.d.ts	(revision a762898ecd37a452c782821d4c2c4955c6ed2521)
@@ -0,0 +1,25 @@
+/**
+ * Utility type for recursively unpacking nested array types to extract the type of the innermost element
+ *
+ * @example
+ * ExtractNestedArrayType<(number | (number | number[])[])[]>
+ * // number
+ *
+ * ExtractNestedArrayType<(boolean | (string | number[])[])[]>
+ * // string | number | boolean
+ */
+type ExtractNestedArrayType<T> = T extends ReadonlyArray<infer U> ? ExtractNestedArrayType<U> : T;
+/**
+ * Flattens all depths of a nested array.
+ *
+ * @template T - The type of elements within the array.
+ * @param {T[]} arr - The array to flatten.
+ * @returns {Array<ExtractNestedArrayType<T>>} A new array that has been flattened.
+ *
+ * @example
+ * const arr = flattenDeep([1, [2, [3]], [4, [5, 6]]]);
+ * // Returns: [1, 2, 3, 4, 5, 6]
+ */
+declare function flattenDeep<T>(arr: readonly T[]): Array<ExtractNestedArrayType<T>>;
+
+export { type ExtractNestedArrayType, flattenDeep };