-  setting_property(+Setting, +Property) is det
 
- setting_property(?Setting, ?Property) is nondet
 - Query currently defined settings. Property is one of
- comment(-Atom)
 
- type(-Type)
 - Type of the setting.
 
- default(-Default)
 - Default value. If this is an expression, it is
evaluated.
 
- source((-File:-Line))
 - Location where the setting is defined.