# File lib/model/base.rb, line 4
    def self.included(model)
      model.send(:extend, ClassMethods)
      model.send(:include, InstanceMethods)
      ##
      # @config {String} extjs_parent_trail_template This a template used to render mapped field-names.
      # Default is Proc.new{ |field_name| "_#{field_name}" }
      # You could also use the Rails standard
      # Proc.new{ |field_name| "[#{field_name}]" }
      #
      model.cattr_accessor :extjs_parent_trail_template
      model.extjs_parent_trail_template = Proc.new{ |field_name| "_#{field_name}" } if model.extjs_parent_trail_template.nil?
    end