Current version of installer supports only properties based configuration file. In 7.2.0 we want to introduce DSL based configuration file and we should add support for DLS configuration to installer.
Isn't this a duplicate of #5168 (or vice versa)?
Yes, it looks like a duplicate.
Current version of installer supports only properties based configuration file. In 7.2.0 we want to introduce DSL based configuration file and we should add support for DLS configuration to installer.