module ActiveAdmin::ResourceController::PageConfigurations::ClassMethods

def get_page_config(page)
  active_admin_config.page_configs[page]
end

def reset_page_config!(page)
  active_admin_config.page_configs[page] = nil
end

def set_page_config(page, options, &block)
  active_admin_config.page_configs[page] = ActiveAdmin::PageConfig.new(options, &block)
end