<?xml version="1.0" encoding="UTF-8"?> <schema xmlns="http://www.w3.org/2001/XMLSchema" targetNamespace="non:blocking:check" xmlns:tns="non:blocking:check" elementFormDefault="unqualified"> <element name="test"> <complexType> <sequence> <element name="long-test" maxOccurs="unbounded"> <complexType> <simpleContent> <extension base="string"> <attribute name="sample-2" type="string"/> </extension> </simpleContent> </complexType> </element> </sequence> <attribute name="sample" type="string"/> </complexType> </element> </schema>