# File lib/symetrie_com/acts_as_better_nested_set.rb, line 109
          def count_in_nested_set(*args)
            outer_scope, inner_scope = case args.length
              when 2 then [args[0], args[1]]
              when 1 then [nil, args[0]]
              else [nil, nil]
            end
            acts_as_nested_set_options[:class].with_scope(:find => (outer_scope || {})) do
              acts_as_nested_set_options[:class].count(inner_scope || {})
            end
          end