public abstract async void shutdown () throws GLib.Error;
public abstract async Lsp.CompletionList? completion(JsRender.JsRender file, int line, int offset , int triggerType = 1) throws GLib.Error;
public abstract async Lsp.Hover hover (JsRender.JsRender file, int line, int offset) throws GLib.Error;
+ public abstract void queueDocumentSymbols (JsRender.JsRender file);
public abstract async Gee.ArrayList<Lsp.DocumentSymbol> documentSymbols (JsRender.JsRender file) throws GLib.Error;
}