Better type definition

Fixes the `Invalid type(s) for operator IN.` warnings from the closure compiler.

src/ol/render/canvas/Replay.js

@@ -129,7 +129,7 @@ const CanvasReplay = function(tolerance, maxExtent, resolution, pixelRatio, over
 
   /**
    * @private
-   * @type {Object.<number,ol.Coordinate|Array.<ol.Coordinate>|Array.<Array.<ol.Coordinate>>>}
+   * @type {!Object.<number,ol.Coordinate|Array.<ol.Coordinate>|Array.<Array.<ol.Coordinate>>>}
    */
   this.coordinateCache_ = {};
 

src/ol/render/canvas/ReplayGroup.js

@@ -100,8 +100,7 @@ const CanvasReplayGroup = function(
 
   /**
    * @private
-   * @type {!Object.<string,
-   *        Object.<ol.render.ReplayType, ol.render.canvas.Replay>>}
+   * @type {!Object.<string, !Object.<ol.render.ReplayType, ol.render.canvas.Replay>>}
    */
   this.replaysByZIndex_ = {};
 

src/ol/render/canvas/TextReplay.js

@@ -79,7 +79,7 @@ const CanvasTextReplay = function(
   this.textFillState_ = null;
 
   /**
-   * @type {Object.<string, ol.CanvasFillState>}
+   * @type {!Object.<string, ol.CanvasFillState>}
    */
   this.fillStates = {};
 
@@ -90,7 +90,7 @@ const CanvasTextReplay = function(
   this.textStrokeState_ = null;
 
   /**
-   * @type {Object.<string, ol.CanvasStrokeState>}
+   * @type {!Object.<string, ol.CanvasStrokeState>}
    */
   this.strokeStates = {};
 
@@ -101,7 +101,7 @@ const CanvasTextReplay = function(
   this.textState_ = /** @type {ol.CanvasTextState} */ ({});
 
   /**
-   * @type {Object.<string, ol.CanvasTextState>}
+   * @type {!Object.<string, ol.CanvasTextState>}
    */
   this.textStates = {};
 

src/ol/render/webgl/TextureReplay.js

@@ -242,9 +242,8 @@ WebGLTextureReplay.prototype.drawCoordinates = function(flatCoordinates, offset,
 /**
  * @protected
  * @param {Array.<WebGLTexture>} textures Textures.
- * @param {Array.<HTMLCanvasElement|HTMLImageElement|HTMLVideoElement>} images
- *    Images.
- * @param {Object.<string, WebGLTexture>} texturePerImage Texture cache.
+ * @param {Array.<HTMLCanvasElement|HTMLImageElement|HTMLVideoElement>} images Images.
+ * @param {!Object.<string, WebGLTexture>} texturePerImage Texture cache.
  * @param {WebGLRenderingContext} gl Gl.
  */
 WebGLTextureReplay.prototype.createTextures = function(textures, images, texturePerImage, gl) {