diff --git a/src/utils/types.ts b/src/utils/types.ts
new file mode 100644
index 0000000..bc598ac
--- /dev/null
+++ b/src/utils/types.ts
@@ -0,0 +1,4 @@
+//@see https://stackoverflow.com/a/68261391/11407695
+export type RequiredOnly<T> = {
+    [K in keyof T as T[K] extends Required<T>[K] ? K : never]: T[K];
+};