message: Update packages/dds/merge-tree/src/client.ts
diff: @@ -359,7 +359,7 @@ export class Client {
  throw new Error("Unsupported op type for rollback");
  }
  - const lastList = this.mergeTree.pendingSegments?.prev;
  + const lastList = this._mergeTree.pendingSegments?.prev;
  if (!lastList) {
  throw new Error("No pending segments");
  }
  