<?xml version="1.0" encoding="UTF-8"?>
<schema targetNamespace="urn:nsA" elementFormDefault="qualified"
	xmlns="http://www.w3.org/2001/XMLSchema" xmlns:nsB="urn:nsB" xmlns:nsA="urn:nsA">

    <import namespace="urn:nsB" schemaLocation="B1.xsd"/>
	<import namespace="urn:nsB" schemaLocation="B2.xsd"/>
	<element name="A">
		<complexType>
			<sequence>
				<element ref="nsB:B1"></element>
				<element ref="nsB:B2"></element>
			</sequence>
		</complexType>
	</element>
</schema>