# File lib/new_relic/agent/transaction_sampler.rb, line 276
      def harvest_from_sample_buffers
        # map + flatten hit mocking issues calling to_ary on 1.9.2.  We only
        # want a single level flatten anyway, but, as you probably already
        # know, Ruby 1.8.6 :/
        result = []
        @sample_buffers.each { |buffer| result.concat(buffer.harvest_samples) }
        result.uniq
      end