From b0d4e58cc0279210cee3d02a8ba44856b6d0af12 Mon Sep 17 00:00:00 2001
From: Sam Reid <reids@colorado.edu>
Date: Wed, 24 May 2023 08:01:00 -0600
Subject: [PATCH] Specify type alias for empty self options, see
 https://github.com/phetsims/center-and-variability/issues/214

---
 js/common/view/CAVObjectNode.ts          | 4 +++-
 js/common/view/DragIndicatorArrowNode.ts | 3 ++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/js/common/view/CAVObjectNode.ts b/js/common/view/CAVObjectNode.ts
index cdbcf0e4..0f56c9bc 100644
--- a/js/common/view/CAVObjectNode.ts
+++ b/js/common/view/CAVObjectNode.ts
@@ -20,6 +20,8 @@ import PickRequired from '../../../../phet-core/js/types/PickRequired.js';
 import Multilink from '../../../../axon/js/Multilink.js';
 import optionize, { EmptySelfOptions } from '../../../../phet-core/js/optionize.js';
 
+type SelfOptions = EmptySelfOptions;
+
 export type CAVObjectNodeOptions =
 
 // Take all options from NodeOptions, but do not allow passing through inputEnabledProperty since it requires special handling in multilink
@@ -36,7 +38,7 @@ export default class CAVObjectNode extends Node {
                       modelRadius: number,
                       providedOptions?: CAVObjectNodeOptions ) {
 
-    const options = optionize<CAVObjectNodeOptions, EmptySelfOptions, NodeOptions>()( {
+    const options = optionize<CAVObjectNodeOptions, SelfOptions, NodeOptions>()( {
       cursor: 'pointer'
     }, providedOptions );
     super( options );
diff --git a/js/common/view/DragIndicatorArrowNode.ts b/js/common/view/DragIndicatorArrowNode.ts
index 4b0b51db..7c847c3d 100644
--- a/js/common/view/DragIndicatorArrowNode.ts
+++ b/js/common/view/DragIndicatorArrowNode.ts
@@ -15,13 +15,14 @@ import PickRequired from '../../../../phet-core/js/types/PickRequired.js';
 import optionize, { EmptySelfOptions } from '../../../../phet-core/js/optionize.js';
 import { NodeOptions } from '../../../../scenery/js/imports.js';
 
+type SelfOptions = EmptySelfOptions;
 type DragIndicatorArrowNodeOptions = PickRequired<ArrowNodeOptions, 'tandem'> & Pick<ArrowNodeOptions, 'visible'> & NodeOptions;
 
 export default class DragIndicatorArrowNode extends ArrowNode {
 
   public constructor( options: DragIndicatorArrowNodeOptions ) {
 
-    super( 0, 0, 35, 0, optionize<DragIndicatorArrowNodeOptions, EmptySelfOptions, ArrowNodeOptions>()( {
+    super( 0, 0, 35, 0, optionize<DragIndicatorArrowNodeOptions, SelfOptions, ArrowNodeOptions>()( {
       headHeight: 8,
       headWidth: 12,
       tailWidth: 5,