countries abstract method

TRes countries(
  1. Iterable<Query$getUpcomingChallengesByTargetAndUserAudiencePaginated$getUpcomingChallengesByTargetAndUserAudiencePaginated$objects$audience$segments$definitions$value$countries>? _fn(
    1. Iterable<CopyWith$Query$getUpcomingChallengesByTargetAndUserAudiencePaginated$getUpcomingChallengesByTargetAndUserAudiencePaginated$objects$audience$segments$definitions$value$countries<Query$getUpcomingChallengesByTargetAndUserAudiencePaginated$getUpcomingChallengesByTargetAndUserAudiencePaginated$objects$audience$segments$definitions$value$countries>>?
    )
)

Implementation

TRes countries(
    Iterable<Query$getUpcomingChallengesByTargetAndUserAudiencePaginated$getUpcomingChallengesByTargetAndUserAudiencePaginated$objects$audience$segments$definitions$value$countries>? Function(
            Iterable<
                CopyWith$Query$getUpcomingChallengesByTargetAndUserAudiencePaginated$getUpcomingChallengesByTargetAndUserAudiencePaginated$objects$audience$segments$definitions$value$countries<
                    Query$getUpcomingChallengesByTargetAndUserAudiencePaginated$getUpcomingChallengesByTargetAndUserAudiencePaginated$objects$audience$segments$definitions$value$countries>>?)
        _fn);