pub fn ProvideCompletions(
DocumentURI: Url,
PositionDTO: PositionDTO,
ContextDTO: CompletionContextDTO,
CancellationTokenValue: Option<Value>,
) -> ActionEffect<Arc<dyn LanguageFeatureProviderRegistry>, CommonError, Option<CompletionListDTO>>Expand description
Creates an effect that, when executed, will request code completion items for a given position in a document.