Use lowercase file naming.

packages/node/src/integrations/tracing/lrumemoizer.ts

@@ -0,0 +1,25 @@
+import { LruMemoizerInstrumentation } from '@opentelemetry/instrumentation-lru-memoizer';
+
+import { defineIntegration } from '@sentry/core';
+import type { IntegrationFn } from '@sentry/types';
+import { generateInstrumentOnce } from '../../otel/instrument';
+
+const INTEGRATION_NAME = 'LruMemoizer';
+
+export const instrumentLruMemoizer = generateInstrumentOnce(INTEGRATION_NAME, () => new LruMemoizerInstrumentation());
+
+const _lruMemoizerIntegration = (() => {
+  return {
+    name: INTEGRATION_NAME,
+    setupOnce() {
+      instrumentLruMemoizer();
+    },
+  };
+}) satisfies IntegrationFn;
+
+/**
+ * LruMemoizer integration
+ *
+ * Propagate traces through LruMemoizer.
+ */
+export const lruMemoizerIntegration = defineIntegration(_lruMemoizerIntegration);