<?xml version="1.0"?>
<block>
  <name>invert</name>
  <key>ais_invert</key>
  <category>ais</category>
  <import>import ais</import>
  <make>ais.invert()</make>
  <sink>
    <name>in</name>
    <type>byte</type>
  </sink>
  <source>
    <name>out</name>
    <type>byte</type>
  </source>
</block>
