diff --git a/lib/types/nope/nopeRpcManager.interface.ts b/lib/types/nope/nopeRpcManager.interface.ts
index 93cb907..7790401 100644
--- a/lib/types/nope/nopeRpcManager.interface.ts
+++ b/lib/types/nope/nopeRpcManager.interface.ts
@@ -15,6 +15,21 @@ import {
 import { IMapBasedMergeData } from "./nopeHelpers.interface";
 import { INopePromise } from "./nopePromise.interface";
 
+export type ValidDefaultSelectors =
+  | "first"
+  | "dispatcher"
+  | "host"
+  | "free-ram"
+  | "cpu-usage";
+
+export const ValidDefaultSelectors = [
+  "first",
+  "dispatcher",
+  "host",
+  "free-ram",
+  "cpu-usage",
+];
+
 export type ValidSelectorFunction = (options: {
   serviceName: string;
   rpcManager: INopeRpcManager;