visit = (nodeId: NodeId) => {
      if (errors.length > 0) {
        return;
      }

      if (this.shouldSkipRequest(nodeId)) {
        visitChildren(nodeId);
      } else {
        // ? do we need to visit children inside of the promise that is queued?
        this.queueCorrespondingRequest(nodeId, errors).then(() =>
          visitChildren(nodeId),
        );
      }
    }
Assets added/modified since the last symbol propagation invocation.