activities abstract method

Implementation

TRes activities(
    Iterable<Query$getUpcomingChallengesByTargetAndUserAudiencePaginated$getUpcomingChallengesByTargetAndUserAudiencePaginated$objects$activities>? Function(
            Iterable<
                CopyWith$Query$getUpcomingChallengesByTargetAndUserAudiencePaginated$getUpcomingChallengesByTargetAndUserAudiencePaginated$objects$activities<
                    Query$getUpcomingChallengesByTargetAndUserAudiencePaginated$getUpcomingChallengesByTargetAndUserAudiencePaginated$objects$activities>>?)
        _fn);