diff --git a/src/utils/types/record-key.ts b/src/utils/types/record-key.ts
new file mode 100644
index 0000000..4006f3e
--- /dev/null
+++ b/src/utils/types/record-key.ts
@@ -0,0 +1,8 @@
+/**
+ * Returns `T` if it extends `PropertyKey`; otherwise, returns `never`.
+ *
+ * This is useful to lift the constraints from a record key.
+ *
+ * @template T - The type to check if it extends `PropertyKey`.
+ */
+export type RecordKey<T> = T extends PropertyKey ? T : never;