text: 'use strict'
  
  const AsyncObject = require('@cuties/cutie').AsyncObject
  
  // Represented result is boolean
  class IsExtensible extends AsyncObject {
    constructor (obj) {
      super(obj)
    }
  
    syncCall () {
      return (obj) => {
        return Object.isExtensible(obj)
      }
    }
  }
  
  module.exports = IsExtensible
  