:- multifile user:query_map_hook/4.
Provides the user with a method of overriding the call to
'SU_messages':query_map/4 in the map phase of query
processing. This way the implementation of the default map methods
can be changed.
The map method to use.
As received from
Result of conversion.
Abstract answer term.
All error handling is done by the predicates extended by this hook.