src/vs/workbench/api/common/extHostLanguageFeatures.ts/ExtHostLanguageFeatures/constructor
class ExtHostLanguageFeatures:	constructor(
		mainContext: extHostProtocol.IMainContext,
		private readonly _uriTransformer: IURITransformer,
		private readonly _documents: ExtHostDocuments,
		private readonly _commands: ExtHostCommands,
		private readonly _diagnostics: ExtHostDiagnostics,
		private readonly _logService: ILogService,
		private readonly _apiDeprecation: IExtHostApiDeprecationService,
		private readonly _extensionTelemetry: IExtHostTelemetry
	) {
		this._proxy = mainContext.getProxy(extHostProtocol.MainContext.MainThreadLanguageFeatures);
	}