xml_schema/test-resources/importBase.xsd

<schema targetNamespace="http://soapinterop.org/xsd"
        xmlns="http://www.w3.org/2001/XMLSchema"
        xmlns:wsdl="http://schemas.xmlsoap.org/wsdl/"
        xmlns:xsd="http://www.w3.org/2001/XMLSchema"
        xmlns:xsd1="http://soapinterop.org/xsd"
        xmlns:xsd2="http://soapinterop.org/xsd2"
        elementFormDefault="qualified">
    <import namespace="http://soapinterop.org/xsd2" schemaLocation="importAux.xsd"></import>
    <element name="echoStructParam" type="xsd2:SOAPStruct"/>
</schema>