diff --git a/googlemaps/google.maps-tests.ts b/googlemaps/google.maps-tests.ts
index 23931850d..9b10c40ad 100644
--- a/googlemaps/google.maps-tests.ts
+++ b/googlemaps/google.maps-tests.ts
@@ -115,4 +115,28 @@ var icon: google.maps.Icon = {
     scaledSize: new google.maps.Size(32, 32),
     size: new google.maps.Size(32, 32),
     url: "dummy"
-}
\ No newline at end of file
+};
+
+/***** MapTypeStyle *****/
+
+var mapTypeStyle: google.maps.MapTypeStyle ={
+    featureType: 'all',
+};
+
+var mapTypeStyle: google.maps.MapTypeStyle ={
+    featureType: 'administrative.country',
+    elementType: 'all',
+    stylers: [],
+};
+
+var mapTypeStyle: google.maps.MapTypeStyle ={
+    featureType: 'landscape.natural',
+    elementType: 'geometry',
+    stylers: [],
+};
+
+var mapTypeStyle: google.maps.MapTypeStyle ={
+    featureType: 'poi.school',
+    elementType: 'labels',
+    stylers: [],
+};
diff --git a/googlemaps/google.maps.d.ts b/googlemaps/google.maps.d.ts
index 2250527c3..9fa61ddab 100644
--- a/googlemaps/google.maps.d.ts
+++ b/googlemaps/google.maps.d.ts
@@ -209,23 +209,23 @@ declare module google.maps {
 
     /***** Data *****/
     export class Data extends MVCObject {
-        constructor(options?: Data.DataOptions);
-        add(feature: Data.Feature|Data.FeatureOptions): Data.Feature;
-        addGeoJson(geoJson: Object, options?: Data.GeoJsonOptions): Data.Feature[];
-        contains(feature: Data.Feature): boolean;
-        forEach(callback: (feature: Data.Feature) => void): void;
-        getFeatureById(id: number|string): Data.Feature;
+        constructor(options?: google.maps.Data.DataOptions);
+        add(feature: google.maps.Data.Feature|google.maps.Data.FeatureOptions): google.maps.Data.Feature;
+        addGeoJson(geoJson: Object, options?: google.maps.Data.GeoJsonOptions): google.maps.Data.Feature[];
+        contains(feature: google.maps.Data.Feature): boolean;
+        forEach(callback: (feature:google.maps.Data.Feature) => void): void;
+        getFeatureById(id: number|string): google.maps.Data.Feature;
         getMap(): Map;
-        getStyle(): Data.StylingFunction|Data.StyleOptions;
-        loadGeoJson(url: string, options?: Data.GeoJsonOptions, callback?: (features: Data.Feature[]) => void): void;
-        overrideStyle(feature: Data.Feature, style: Data.StyleOptions): void;
-        remove(feature: Data.Feature): void;
-        revertStyle(feature?: Data.Feature): void;
+        getStyle(): google.maps.Data.StylingFunction|google.maps.Data.StyleOptions;
+        loadGeoJson(url: string, options?: google.maps.Data.GeoJsonOptions, callback?: (features:google.maps.Data.Feature[]) => void): void;
+        overrideStyle(feature: google.maps.Data.Feature, style: google.maps.Data.StyleOptions): void;
+        remove(feature: google.maps.Data.Feature): void;
+        revertStyle(feature?: google.maps.Data.Feature): void;
         setMap(map: Map): void;
-        setStyle(style: Data.StylingFunction|Data.StyleOptions): void;
+        setStyle(style: google.maps.Data.StylingFunction|google.maps.Data.StyleOptions): void;
         toGeoJson(callback: (feature: Object) => void): void;
     }
-        
+
     export module Data {
         export interface DataOptions {
             map?: Map;
@@ -261,8 +261,8 @@ declare module google.maps {
             getProperty(name: string): any;
             removeProperty(name: string): void;
             setGeometry(newGeometry: Data.Geometry|LatLng): void; // TODO LatLngLiteral
-            setProperty(name: string, newValue: any): void
-            toGeoJson(callback: (feature: Object) => void): void
+            setProperty(name: string, newValue: any): void;
+            toGeoJson(callback: (feature: Object) => void): void;
         }
 
         export interface FeatureOptions {
@@ -1204,8 +1204,8 @@ declare module google.maps {
     }
 
     export interface MapTypeStyle {
-        elementType?: MapTypeStyleElementType;
-        featureType?: MapTypeStyleFeatureType;
+        elementType?: string|MapTypeStyleElementType;
+        featureType?: string|MapTypeStyleFeatureType;
         stylers?: MapTypeStyler[];
     }