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: knowledge_area_content_record_report.rb
    path of file: ./repos/i-diario/app/reports
    
    the code of the file until where you have to start completion: class KnowledgeAreaContentRecordReport < BaseReport
  def self.build(entity_configuration, date_start, date_end, knowledge_area_content_records, current_teacher)
    new.build(entity_configuration, date_start, date_end, knowledge_area_content_records, current_teacher)
  end

  def build(entity_configuration, date_start, date_end, 
    
  def build(entity_configuration, date_start, date_end, knowledge_area_content_records, current_teacher)
    @entity_configuration = entity_configuration
    @date_start = date_start
    @date_end = date_end
    @knowledge_area_content_records = knowledge_area_content_records
    @current_teacher = current_teacher
    attributes

    header
    body
    footer

    self
  end