Correct misunderstanding of documentation

Author: Garciat

angular-localForage/angular-localForage.d.ts

@@ -22,8 +22,8 @@ declare module angular.localForage {
     }
 
     interface ILocalForageService {
-        setDriver(driver:string):angular.IPromise<void>;
-        driver<T>():lf.ILocalForage<T>;
+        driver(): LocalForageDriver;
+        setDriver(name: string | string[]): angular.IPromise<void>;
 
         setItem(key:string, value:any):angular.IPromise<void>;
         setItem(keys:Array<string>, values:Array<any>):angular.IPromise<void>;

localForage/localForage.d.ts

@@ -42,14 +42,17 @@ interface LocalForageDriver {
 }
 
 interface LocalForage {
-    LOCALSTORAGE: LocalForageDriver;
-    WEBSQL: LocalForageDriver;
-    INDEXEDDB: LocalForageDriver;
+    LOCALSTORAGE: string;
+    WEBSQL: string;
+    INDEXEDDB: string;
 
     config(options: LocalForageOptions): void;
 
-    setDriver(driver: LocalForageDriver): void;
-    setDriver(driver: LocalForageDriver[]): void;
+    driver(): LocalForageDriver;
+    setDriver(driver: string | string[]): Promise<void>;
+    setDriver(driver: string | string[], callback: () => void, errorCallback: (error: any) => void): void;
+    defineDriver(driver: LocalForageDriver): Promise<void>;
+    defineDriver(driver: LocalForageDriver, callback: () => void, errorCallback: (error: any) => void): void;
 
     getItem<T>(key: string): Promise<T>;
     getItem<T>(key: string, callback: (err: any, value: T) => void): void;