class SplitIoClient::Cache::Repositories::RedisFlagSetsRepository

def get_flag_sets(flag_sets)
  result = @adapter.redis.pipelined do |pipeline|
    flag_sets.each do |flag_set|
       pipeline.smembers(namespace_key(".flagSet.#{flag_set}"))
    end
  end
  to_return = Array.new
  result.each do |flag_set|
    flag_set.each { |feature_flag_name| to_return.push(feature_flag_name.to_s)}
  end
  to_return.uniq
end