intermediate changes

ref:cde9a383711a11544ce7e107a78147fb96cc4029

1 files changed, 40 insertions, 0 deletions

diff --git a/library/cpp/monlib/metrics/fwd.h b/library/cpp/monlib/metrics/fwd.h
new file mode 100644
index 0000000000..b4327ee5d5
--- /dev/null
+++ b/library/cpp/monlib/metrics/fwd.h
@@ -0,0 +1,40 @@
+#pragma once
+
+namespace NMonitoring {
+
+    struct ILabel;
+    struct ILabels;
+
+    class ICounter;
+    class IGauge;
+    class IHistogram;
+    class IIntGauge;
+    class ILazyCounter;
+    class ILazyGauge;
+    class ILazyIntGauge;
+    class ILazyRate;
+    class IMetric;
+    class IRate;
+    class TCounter;
+    class TGauge;
+    class THistogram;
+    class TIntGauge;
+    class TLazyCounter;
+    class TLazyGauge;
+    class TLazyIntGauge;
+    class TLazyRate;
+    class TRate;
+
+    class IMetricSupplier;
+    class IMetricFactory;
+    class IMetricConsumer;
+
+    class IMetricRegistry;
+    class TMetricRegistry;
+
+    class IHistogramCollector;
+    class IHistogramSnapshot;
+
+    class IExpMovingAverage;
+
+} // namespace NMonitoring