fix up merge

Author: adolgachev

src/aria/accordion/accordion.ts

@@ -153,17 +153,17 @@ export class AccordionTrigger {
 
   /** Opens this item. */
   open(itemValue: string) {
-    this.pattern.expansionControl.open();
+    this._pattern.expansionControl.open();
   }
 
   /** Closes this item. */
   close(itemValue: string) {
-    this.pattern.expansionControl.close();
+    this._pattern.expansionControl.close();
   }
 
   /** Toggles the expansion state of this item. */
   toggle(itemValue: string) {
-    this.pattern.expansionControl.toggle();
+    this._pattern.expansionControl.toggle();
   }
 }
 
@@ -237,32 +237,32 @@ export class AccordionGroup {
 
   /** Opens the specified item. */
   open(itemValue: string) {
-    this.pattern.expansionManager.open(this._patternForValue(itemValue)!);
+    this._pattern.expansionManager.open(this._patternForValue(itemValue)!);
   }
 
   /** Closes the specified item. */
   close(itemValue: string) {
-    this.pattern.expansionManager.close(this._patternForValue(itemValue)!);
+    this._pattern.expansionManager.close(this._patternForValue(itemValue)!);
   }
 
   /** Toggles the expansion state of the specified item. */
   toggle(itemValue: string) {
-    this.pattern.expansionManager.toggle(this._patternForValue(itemValue)!);
+    this._pattern.expansionManager.toggle(this._patternForValue(itemValue)!);
   }
 
   /** Opens all focusable items in the list. */
   openAll() {
-    this.pattern.expansionManager.openAll();
+    this._pattern.expansionManager.openAll();
   }
 
   /** Closes all focusable items in the list. */
   closeAll() {
-    this.pattern.expansionManager.closeAll();
+    this._pattern.expansionManager.closeAll();
   }
 
   _patternForValue(value: string) {
     const trigger = this._triggers().find(t => t.value() === value);
-    return trigger?.pattern;
+    return trigger?._pattern;
   }
 }