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: learning_objectives_and_skill_decorator.rb
    path of file: ./repos/i-diario/app/decorators
    
    the code of the file until where you have to start completion: class LearningObjectivesAndSkillDecorator
  include Decore
  include Decore::Proxy
  include ActionView::Helpers::TagHelper

  def grades_labels
    return unless component.grades

    compo
    
  def localized_grade(grade)
    return GroupChildEducations.t(grade) if group_children_education? && component.child_school?

    return ChildEducations.t(grade) if component.child_school?

    return AdultAndYouthEducations.t(grade) if component.adult_and_youth_education?

    ElementaryEducations.t(grade)
  end