fix(sdk-metrics): hand-roll MetricAdvice type as older API versions d…

…o not include it (#4260)
open-telemetry · Nov 8, 2023 · c7c1867 · c7c1867
1 parent 73b4466
commit c7c1867
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Showing 2 changed files with 13 additions and 7 deletions.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -13,6 +13,8 @@ For experimental package changes, see the [experimental CHANGELOG](experimental/
 
 ### :bug: (Bug Fix)
 
+fix(sdk-metrics): hand-roll MetricAdvice type as older API versions do not include it #4260
+
 ### :books: (Refine Doc)
 
 ### :house: (Internal)

diff --git a/packages/sdk-metrics/src/InstrumentDescriptor.ts b/packages/sdk-metrics/src/InstrumentDescriptor.ts
@@ -14,12 +14,7 @@
  * limitations under the License.
  */
 
-import {
-  MetricAdvice,
-  MetricOptions,
-  ValueType,
-  diag,
-} from '@opentelemetry/api';
+import { MetricOptions, ValueType, diag } from '@opentelemetry/api';
 import { View } from './view/View';
 import { equalsCaseInsensitive } from './utils';
 
@@ -49,8 +44,17 @@ export interface InstrumentDescriptor {
   readonly valueType: ValueType;
   /**
    * @experimental
+   *
+   * This is intentionally not using the API's type as it's only available from @opentelemetry/api 1.7.0 and up.
+   * In SDK 2.0 we'll be able to bump the minimum API version and remove this workaround.
    */
-  readonly advice: MetricAdvice;
+  readonly advice: {
+    /**
+     * Hint the explicit bucket boundaries for SDK if the metric has been
+     * aggregated with a HistogramAggregator.
+     */
+    explicitBucketBoundaries?: number[];
+  };
 }
 
 export function createInstrumentDescriptor(