<?xml version="1.0" encoding="UTF-8"?>
<schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="http://www.example.com/importing" xmlns:ex="http://www.example.com/importing" xmlns:simple="http://www.example.com/simple">
  <import namespace="http://www.example.com/simple" schemaLocation="simple.xsd"/>
    <simpleType name="mySimpleType">
    <list itemType="string"/>
  </simpleType>
</schema>