# File lib/new_relic/agent/stats_engine/stats_hash.rb, line 149
      def merge_transaction_metrics!(txn_metrics, scope)
        txn_metrics.each_unscoped do |name, stats|
          merge_or_insert(@unscoped, name, stats)
        end
        txn_metrics.each_scoped do |name, stats|
          spec = NewRelic::MetricSpec.new(name, scope)
          merge_or_insert(@scoped, spec, stats)
          merge_or_insert(@unscoped, name, stats)
        end
      end