<?xml version="1.0" encoding="UTF-8" standalone="no"?>

<xsd:schema xmlns="http://test/xsd/test1/test2"
            xmlns:xsd="http://www.w3.org/2001/XMLSchema"
            targetNamespace="http://test/xsd/test1/test2"
            elementFormDefault="qualified"
            attributeFormDefault="unqualified">

    <xsd:group name="alphaGroup">
        <xsd:sequence>
            <xsd:choice>
                <xsd:element ref="alpha"/>
                <xsd:any namespace="##other" processContents="strict" minOccurs="0" maxOccurs="unbounded"/>
            </xsd:choice>
        </xsd:sequence>
    </xsd:group>

    <xsd:element name="alpha"/>

</xsd:schema>