# File lib/warden/config.rb, line 75
    def scope_defaults(scope, opts = {})
      if strategies = opts.delete(:strategies)
        default_strategies(strategies, :scope => scope)
      end

      if opts.empty?
        self[:scope_defaults][scope] || {}
      else
        self[:scope_defaults][scope] ||= {}
        self[:scope_defaults][scope].merge!(opts)
      end
    end