@@ -34,10 +34,11 @@ class PerfLongSampleHelper; class PerfLongConstant; class PerfLongCounter; class PerfLongVariable; class PerfStringVariable; + class PerfTickCounters; typedef PerfLongSampleHelper PerfSampleHelper; typedef PerfLongConstant PerfConstant; typedef PerfLongCounter PerfCounter; typedef PerfLongVariable PerfVariable;