public static void Trace(this IAsyncInterceptor interceptor, string message, IInvocation invocation, ILogger logger)
{
var callerClassName = invocation.TargetType.FullName;
NLog.LogEventInfo info = new NLog.LogEventInfo(NLog.LogLevel.Trace, logger.Name, message);
// 呼び出し元情報を設定します。
info.SetCallerInfo(callerClassName, invocation.MethodInvocationTarget.Name, null, 0);
logger.Log(typeof(TraceInterceptor), info);
}