public Server()
{
_queue = new AnalysisQueue();
_queue.UnhandledException += Analysis_UnhandledException;
_pendingAnalysisEnqueue = new VolatileCounter();
_parseQueue = new ParseQueue();
_pendingParse = new Dictionary <IDocument, VolatileCounter>();
_editorFiles = new EditorFiles(this);
_extensions = new ConcurrentDictionary <string, ILanguageServerExtension>();
}