Merge pull request #11487 from jcogs33/jcogs33/supportedexternalapis-telemetry-query

Java/C#: add SupportedExternalApis telemetry query

java/ql/src/Telemetry/SupportedExternalApis.ql

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+/**
+ * @name Usage of supported APIs coming from external libraries
+ * @description A list of supported 3rd party APIs used in the codebase. Excludes test and generated code.
+ * @kind metric
+ * @tags summary telemetry
+ * @id java/telemetry/supported-external-api
+ */
+
+import java
+import semmle.code.java.dataflow.internal.FlowSummaryImpl as FlowSummaryImpl
+import ExternalApi
+
+private predicate relevant(ExternalApi api) {
+  not api.isUninteresting() and
+  (
+    api.isSupported() or
+    api = any(FlowSummaryImpl::Public::NegativeSummarizedCallable nsc).asCallable()
+  )
+}
+
+from string apiName, int usages
+where Results<relevant/1>::restrict(apiName, usages)
+select apiName, usages order by usages desc

java/ql/src/change-notes/2022-12-01-supported-external-apis-query.md

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+---
+category: newQuery
+---
+* Added a new query, `java/telemetry/supported-external-api`, to detect supported 3rd party APIs used in a codebase.