# File lib/active_support/core_ext/module/introspection.rb, line 65
        def local_constants
          inherited = {}

          ancestors.each do |anc|
            next if anc == self
            anc.constants.each { |const| inherited[const] = anc.const_get(const) }
          end

          constants.select do |const|
            !inherited.key?(const) || inherited[const].object_id != const_get(const).object_id
          end
        end