Aggregates methods and properties defined in a class to
an existing object. Methods and properties with names
starting with an underscore character (_) are considered
private to the aggregated class and are not used,
constructors are also excluded from the aggregation
procedure.
See also aggregate_info(),
aggregate_methods(), aggregate_methods_by_list(), aggregate_methods_by_regexp(),
aggregate_properties(), aggregate_properties_by_list(), aggregate_properties_by_regexp(),
deaggregate()