You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: use_resource.rb
    path of file: ./repos/avo/lib/avo/fields/concerns
    
    the code of the file until where you have to start completion: module Avo
  module Fields
    module Concerns
      module UseResource
        extend ActiveSupport::Concern

        def use_resource
          Avo.resource_manager.ge
    
        def use_resource
          Avo.resource_manager.get_resource @use_resource
        rescue
          # On boot we eager load the resources before the app is set.
          # Because of that, we don't have a resource manager.
          nil
        end
      end