in model/src/main/java/jetbrains/jetpad/model/collections/CollectionItemEvent.java [69:76]
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
CollectionItemEvent<?> that = (CollectionItemEvent<?>) o;
return Objects.equals(myOldItem, that.myOldItem) && Objects.equals(myNewItem, that.myNewItem) &&
Objects.equals(myType, that.myType) && myIndex == that.myIndex;
}