Ensemble Delete Individual Rules and Ensemble classes programmatically

Hi Team,

I have a requirement to delete the Ensemble interfaces , as per User request. I would like to write a routine for that and once I execute, it should remove the interface components through code.
Could you please provide code samples for the following actions ?

• Deleting an individual rule from a rule class
• Deleting a class from Ensemble
• Deleting a Host (Service/Operation/Process) from the Production.

Appreciate the help.

Thanks,

Purushothaman.T