Add/update filtered-sum-bms benchmark

spot-launcher/node_modules/@smithy/eventstream-codec/dist-es/SmithyMessageEncoderStream.js

@@ -0,0 +1,14 @@
+export class SmithyMessageEncoderStream {
+    constructor(options) {
+        this.options = options;
+    }
+    [Symbol.asyncIterator]() {
+        return this.asyncIterator();
+    }
+    async *asyncIterator() {
+        for await (const chunk of this.options.inputStream) {
+            const payloadBuf = this.options.serializer(chunk);
+            yield payloadBuf;
+        }
+    }
+}