code: public static base_responses unset(nitro_service client, String username[], String args[]) throws Exception {
  		base_responses result = null;
  		if (username != null && username.length > 0) {
  			systemuser unsetresources[] = new systemuser[username.length];
  			for (int i=0;i<username.length;i++){
  				unsetresources[i] = new systemuser();
  				unsetresources[i].username = username[i];
  			}
  			result = unset_bulk_request(client, unsetresources,args);
  		}
  		return result;
  	}
docs: Use this API to unset the properties of systemuser resources.
  Properties that need to be unset are specified in args array.