private void convertErrorsFromDocsumReply(Result target, List<SearchProtocol.Error> errors) {
        for (var error : errors) {
            target.hits().addError(ErrorMessage.createDocsumReplyError(error.getMessage()));
        }
    }
Send a docsums request to a node. Responses will be added to the given receiver.
container-search/src/main/java/com/yahoo/search/dispatch/rpc/RpcProtobufFillInvoker.java