docs: @Around("@annotation(io.opencensus.contrib.spring.aop.Traced)")
    public Object trace(ProceedingJoinPoint call) throws Throwable {
      MethodSignature signature = (MethodSignature) call.getSignature();
      Method method = signature.getMethod();
  
      Traced annotation = method.getAnnotation(Traced.class);
      if (annotation == null) {
        return call.proceed();
      }
      String spanName = annotation.name();
      if (spanName.isEmpty()) {
        spanName = method.getName();
      }
  
      return Handler.proceed(call, tracer, spanName);
    }