@Override
    public CompletableFuture<CodeAction> resolveCodeAction(CodeAction unresolved) {
        return CompletableFutures.computeAsync((cancelChecker) -> {

            return unresolved;
        });
    }
SchemaTextDocumentService handles incomming requests from the client.
integration/schema-language-server/language-server/src/main/java/ai/vespa/schemals/SchemaTextDocumentService.java