module ActiveFedora::FilePersistence

def _create_record(_options = {})
  return false if content.nil?
  ldp_source.content = content
  ldp_source.create do |req|
    req.headers.merge!(ldp_headers)
  end
  refresh
end

def _update_record(_options = {})
  return true unless content_changed?
  ldp_source.content = content
  ldp_source.update do |req|
    req.headers.merge!(ldp_headers)
  end
  refresh
end