text: const Joi = require('joi');
  
  const ImageHeadersSchema = Joi.object({
    'content-type': Joi.string()
      .valid(
        'image/apng',
        'image/avif',
        'image/gif',
        'image/jpeg',
        'image/png',
        'image/webp'
      )
      .required(),
  }).unknown();
  
  module.exports = { ImageHeadersSchema };
  