Fixed this return types for Phaser.GameObjects.Particles.EmitterOp

Author: JasonHK

src/gameobjects/particles/EmitterOp.js

@@ -209,7 +209,7 @@ var EmitterOp = new Class({
      *
      * @param {number} value - The value of the property.
      *
-     * @return {Phaser.GameObjects.Particles.EmitterOp} This Emitter Op object.
+     * @return {this} This Emitter Op object.
      */
     onChange: function (value)
     {
@@ -226,7 +226,7 @@ var EmitterOp = new Class({
      * @method Phaser.GameObjects.Particles.EmitterOp#setMethods
      * @since 3.0.0
      *
-     * @return {Phaser.GameObjects.Particles.EmitterOp} This Emitter Op object.
+     * @return {this} This Emitter Op object.
      */
     setMethods: function ()
     {

types/phaser.d.ts

@@ -19367,14 +19367,14 @@ declare namespace Phaser {
                  * Change the current value of the property and update its callback methods.
                  * @param value The value of the property.
                  */
-                onChange(value: number): Phaser.GameObjects.Particles.EmitterOp;
+                onChange(value: number): this;
 
                 /**
                  * Update the {@link Phaser.GameObjects.Particles.EmitterOp#onEmit} and
                  * {@link Phaser.GameObjects.Particles.EmitterOp#onUpdate} callbacks based on the type of the current
                  * {@link Phaser.GameObjects.Particles.EmitterOp#propertyValue}.
                  */
-                setMethods(): Phaser.GameObjects.Particles.EmitterOp;
+                setMethods(): this;
 
                 /**
                  * Check whether an object has the given property.