Set tsconfig module resolution to NodeNext.

src/model/Languages.ts

@@ -29,6 +29,8 @@ import { LanguageType } from "./LanguageType";
  * @version 1.0.0
  */
 
+import { ApiClient } from "../ApiClient";
+
 /**
  * Constructs a new <code>Languages</code>.
  * @alias module:model/Languages

tsconfig.json

@@ -6,6 +6,8 @@
       "removeComments": false,
       "sourceMap": true,
       "target": "ESNext",
+      "module": "NodeNext",
+      "moduleResolution": "NodeNext",
       "outDir": "dist"
     },
     "include": [