chore: clean up build steps

src/parser/classes/MetadataRowContainer.ts

@@ -0,0 +1,15 @@
+import Parser from '../index';
+
+import { YTNode } from '../helpers';
+
+class MetadataRowContainer extends YTNode {
+  static type = 'MetadataRowContainer';
+  rows;
+  collapsed_item_count: number; // TODO: validate this assumption
+  constructor(data: any) {
+    super();
+    this.rows = Parser.parseArray(data.rows);
+    this.collapsed_item_count = data.collapsedItemCount;
+  }
+}
+export default MetadataRowContainer;