# 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