public void Configure(LanguageServerOptions options) => options.ObserveSemanticTokensFull(
(@params, observer, arg3) => {
observer.OnNext(new SemanticTokensPartialResult()
{
Data = new[] { 0 }.ToImmutableArray()
});
observer.OnNext(new SemanticTokensPartialResult()
{
Data = new[] { 0, 1 }.ToImmutableArray()
});
observer.OnNext(new SemanticTokensPartialResult()
{
Data = new[] { 0, 1, 2 }.ToImmutableArray()
});
observer.OnCompleted();
}, (_, _) => new SemanticTokensRegistrationOptions()
);
