TimerTrigger annotation doesn't cover 'useMonitor' and 'runOnStartup'

I'd like to enable runOnStartup in function.json, but as far as I see the TimerTrigger anntation class, it's not supported.
Additionally, I found that we cannot change useMonitor into false via TimerTrigger anntation.
Should we support these settings in the anotation?

https://github.com/Azure/azure-functions-java-library/blob/dev/src/main/java/com/microsoft/azure/functions/annotation/TimerTrigger.java

https://github.com/MicrosoftDocs/azure-docs/blob/master/articles/azure-functions/functions-bindings-timer.md#configuration