# File lib/bundler/settings.rb, line 297
    def validate!
      all.each do |raw_key|
        [@local_config, ENV, @global_config].each do |settings|
          value = converted_value(settings[key_for(raw_key)], raw_key)
          Validator.validate!(raw_key, value, settings.to_hash.dup)
        end
      end
    end