diff --git a/openlayers/openlayers.d.ts b/openlayers/openlayers.d.ts
index fe83bebdf1..0b9e1b41f4 100644
--- a/openlayers/openlayers.d.ts
+++ b/openlayers/openlayers.d.ts
@@ -1255,6 +1255,7 @@ declare namespace olx {
             fill?: ol.style.Fill;
             image?: ol.style.Image;
             stroke?: ol.style.Stroke;
+            circle?: ol.style.Circle;
             text?: ol.style.Text;
             zIndex?: number;
         }
@@ -3092,6 +3093,13 @@ declare namespace ol {
           preventDefault(): void;
           stopPropagation(): void;
         }
+        class SelectEvent extends Event {
+            mapBrowserEvent: ol.MapBrowserEvent;
+        }
+        class DrawEvent extends Event {
+            feature: ol.Feature;
+            coordinate: ol.Coordinate;
+        }
     }
 
     namespace extent {
@@ -3366,16 +3374,17 @@ declare namespace ol {
             writeGeometryObject(geometry: ol.geom.Geometry, options?: olx.format.WriteOptions): JSON;
         }
 
-        class GML {
+        class GML extends GMLBase {
         }
 
-        class GML2 {
+        class GML2 extends GMLBase {
         }
 
-        class GML3 {
+        class GML3 extends GMLBase{
         }
 
-        class GMLBase {
+        class GMLBase extends ol.format.XMLFeature {
+            readFeatures(source: ol.source.Source, options?: olx.format.ReadOptions): Array<ol.Feature>;
         }
 
         class GPX {
@@ -4089,6 +4098,8 @@ declare namespace ol {
              * @param layout Layout.
              */
             setCoordinates(coordinates: Array<Array<ol.Coordinate>>, layout?: ol.geom.GeometryLayout): void;
+
+            static fromCircle(circle: ol.geom.Circle, sides?: number, angle?: number): ol.geom.Polygon;
         }
         /**
          * Abstract base class; only used for creating subclasses; do not instantiate
@@ -4207,6 +4218,8 @@ declare namespace ol {
          */
         class Draw extends ol.interaction.Pointer {
             constructor(opt_options?: olx.interaction.DrawOptions);
+
+            static createRegularPolygon(sides?: number, angle?: number): ol.interaction.DrawGeometryFunctionType;
         }
         /**
          * Events emitted by ol.interaction.Draw instances are instances of this type.