diff --git a/src/types/helpers.ts b/src/types/helpers.ts
new file mode 100644
index 0000000..0ac1a95
--- /dev/null
+++ b/src/types/helpers.ts
@@ -0,0 +1,5 @@
+export type MergeOmitting<ReplaceableType, ReplacerType> = Omit<
+  ReplaceableType,
+  keyof ReplacerType
+> &
+  ReplacerType