# File lib/mongo_mapper/plugins/associations.rb, line 38
        def associations_module_defined?
          # :nocov:
          if method(:const_defined?).arity == 1 # Ruby 1.9 compat check
            const_defined?('MongoMapperAssociations')
          else
            const_defined?('MongoMapperAssociations', false)
          end
          # :nocov:
        end