1 files changed, 12 insertions, 0 deletions
diff --git a/src/go/collectors/go.d.plugin/pkg/metrics/metrics.go b/src/go/collectors/go.d.plugin/pkg/metrics/metrics.go
new file mode 100644
index 000000000..44a24056f
--- /dev/null
+++ b/src/go/collectors/go.d.plugin/pkg/metrics/metrics.go
@@ -0,0 +1,12 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+package metrics
+
+import "github.com/netdata/netdata/go/go.d.plugin/pkg/stm"
+
+// Observer is an interface that wraps the Observe method, which is used by
+// Histogram and Summary to add observations.
+type Observer interface {
+	stm.Value
+	Observe(v float64)
+}