Adapting imports

lib/RpcManager/selectors.ts

@@ -7,7 +7,11 @@
  */
 
 import { maxOfArray, minOfArray } from "../helpers/arrayMethods";
-import { INopeDispatcher, ValidDefaultSelectors } from "../types/nope";
+import {
+  INopeDispatcher,
+  ValidDefaultSelectors,
+  ValidSelectorFunction
+} from "../types/nope";
 
 /**
  * A Helper Function, to generate the Basic selector Functions.
@@ -21,7 +25,7 @@ import { INopeDispatcher, ValidDefaultSelectors } from "../types/nope";
 export function generateSelector(
   selector: ValidDefaultSelectors,
   dispatcher: INopeDispatcher
-) {
+): ValidSelectorFunction {
   switch (selector) {
     default:
     case "first":