def dump
      Dump.new timestamp: Time.now, call_counts: dump_call_counts, calls_by_route: dump_calls_by_route
    end
def dump
      Dump.new timestamp: Time.now, call_counts: dump_call_counts, calls_by_route: dump_calls_by_route
    end
Create a point-time dump of process statistics

 @return [Adhearsion::Statistics::Dump]