diff --git a/src/functions/definitions.ts b/src/functions/definitions.ts
index 460e4ca..a328242 100644
--- a/src/functions/definitions.ts
+++ b/src/functions/definitions.ts
@@ -23,9 +23,9 @@ export interface JsonParseOptions {
 }
 
 export enum FlushStrategy {
-    sampling,
-    rolling,
-    sliding,
+    sampling = "sampling",
+    rolling = "rolling",
+    sliding = "sliding",
 }
 
 export type AccumulatorOptions<T, R, S> = S extends FlushStrategy.sampling
diff --git a/src/index.ts b/src/index.ts
index e9f1369..3d57c81 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -19,4 +19,5 @@ export {
     unbatch,
     rate,
     parallelMap,
+    accumulator,
 } from "./functions";