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

    <CA_service_descriptor
        CA_system_id="uint16, required"
        ca_broadcaster_group_id="uint8, required"
        message_control="uint8, required">
      <!-- One per service -->
      <service id="uint16, required"/>
    </CA_service_descriptor>

  </_descriptors>
</tsduck>
