class RSpec::Mocks::Mock

def extract_options(stubs_and_options)
  if stubs_and_options[:null_object]
    @null_object = stubs_and_options.delete(:null_object)
    RSpec.deprecate(%Q["double('name', :null_object => true)"], %Q["double('name').as_null_object"])
  end
  options = {}
  extract_option(stubs_and_options, options, :__declared_as, 'Mock')
  options
end