<?xml version="1.0" encoding="UTF-8"?>
<tsduck>
  <_descriptors>

    <update_descriptor
        update_flag="uint2, required"
        update_method="uint4, required"
        update_priority="uint2, required">
      <private_data>
        Hexadecimal content
      </private_data>
    </update_descriptor>

  </_descriptors>
</tsduck>
