ISPConfig 3: Where are the templates for the config files and default pages located?

The templates for the ISPConfig 3 server side configuration files are located in the folder:

/usr/local/ispconfig/server/conf/

The templates for the default index pages are in the folder:

/usr/local/ispconfig/server/conf/

The templates for the error pages are in the folder:

/usr/local/ispconfig/server/conf/error/