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-rw-r--r--dom/webidl/GleanMetrics.webidl10
1 files changed, 10 insertions, 0 deletions
diff --git a/dom/webidl/GleanMetrics.webidl b/dom/webidl/GleanMetrics.webidl
index 47dc3262f1..162b9448a5 100644
--- a/dom/webidl/GleanMetrics.webidl
+++ b/dom/webidl/GleanMetrics.webidl
@@ -222,6 +222,16 @@ interface GleanCustomDistribution : GleanMetric {
undefined accumulateSamples(sequence<long long> aSamples);
/**
+ * Accumulates the provided single signed sample in the metric.
+ *
+ * @param aSample - The sample to be recorded by the metric.
+ *
+ * Notes: Discards any negative value of `sample` and reports an
+ * `ErrorType::InvalidValue`.
+ */
+ undefined accumulateSingleSample(long long aSample);
+
+ /**
* **Test-only API**
*
* Gets the currently stored value as a DistributionData.