Initializes and return the Service configuration settings to use when accessing the underlying device description repository.

The configuration setting are to be sent to the ServiceFactory class or Service::initialize().

The class tries to include and instantiate a class named after the provided $clazz argument. The class must be called: [$clazz]ServiceConfiguration and must implement the DDRServiceConfiguration interface defined below.

If the class is not already defined, a file with the same name as the class is looked up in the directory of the DDR Simple API implementation or in current directory, and included.

• return: the configuration settings to use with that DDR implementation
• access: public

• string $clazz: the DDR implementation name
• mixed $params: Parameters that will be passed to created instance