class Sinatra::Default

def self.const_missing(const_name)
  if const_name == :FORWARD_METHODS
    sinatra_warn 'Sinatra::Application::FORWARD_METHODS is deprecated;',
      'use Sinatra::Delegator::METHODS instead.'
    const_set :FORWARD_METHODS, Sinatra::Delegator::METHODS
    Sinatra::Delegator::METHODS
  else
    super
  end
end