old_contents: <% if (isCss) { %>var css = require('./<%= name %>.css');
  var extend = require('catbee-utils').extend;<% } %>
  
  class <%= className %> {
    <% if (isCss) { %>@extend({ css })<% } %>
    render () {
      return this.$context.getWatcherData();
    }
  }
  
  module.exports = <%= className %>;
  
new_contents: <% if (isCss) { %>var css = require('./<%= name %>.css');
  var { extend } = require('catbee-utils');<% } %>
  
  class <%= className %> {
    <% if (isCss) { %>@extend({ css })<% } %>
    render () {
      return this.$context.getWatcherData();
    }
  }
  
  module.exports = <%= className %>;
  
subject: use destructuring when require catbee-utils