text: var Readable = require('stream').Readable;
  
  function MyStream(options) {
    Readable.call(this, options); //<co id="callout-streams-inheritance-1" />
  }
  
  MyStream.prototype = Object.create(Readable.prototype, { //<co id="callout-streams-inheritance-2" />
    constructor: { value: MyStream }
  });
  