Interface implemented by the principal plug-in properties to provide information for
a Server configuration of the application. E.g. the Database would use the Connection Profile
settings, the Web Service uses Proxy information, the Terminal uses Terminal properties.
Gets the list of property containers that describes the setup required.
The names of these property containers are relevant. This method is only called in
the Designer, thus the default returns an empty list.
moduleRoot - The root of the Module application.
The list of setup property containers for the Designer, not used in the Server.