error compiling

src/app/strudelapp.ts

@@ -4,7 +4,7 @@ export class AppAction {
   notunnel: boolean = false;
   client: {cmd: string[], redir: string, usebasicauth: boolean};
   states: string[]; // list of stats such as 'RUNNING' in which the action is valid. null||undefined if its always valid
-  postData: string; // if you need to post to the url to authenticate use this
+  postData: any; // if you need to post to the url to authenticate use this
 }
 export class Strudelapp {
   url: string; // A url used to retrieve extra config options. May be null