src/vs/workbench/api/browser/mainThreadLogService.ts/MainThreadLoggerService/constructor
class MainThreadLoggerService:	constructor(
		extHostContext: IExtHostContext,
		@ILogService logService: ILogService,
		@ILoggerService private readonly _loggerService: ILoggerService,
	) {
		const proxy = extHostContext.getProxy(ExtHostContext.ExtHostLogLevelServiceShape);
		this._logListener = logService.onDidChangeLogLevel(level => proxy.$setLevel(level));
	}