call abstract method

TRes call({
  1. Query$getQuestActivitiesByQuest$getQuestActivitiesByQuest$activity$action$definition$game$sliding$picture? picture,
  2. List<Query$getQuestActivitiesByQuest$getQuestActivitiesByQuest$activity$action$definition$game$sliding$threshold>? threshold,
  3. String? $__typename,
})

Implementation

TRes call({
  Query$getQuestActivitiesByQuest$getQuestActivitiesByQuest$activity$action$definition$game$sliding$picture?
      picture,
  List<Query$getQuestActivitiesByQuest$getQuestActivitiesByQuest$activity$action$definition$game$sliding$threshold>?
      threshold,
  String? $__typename,
});