<xs:schema targetNamespace="test-namespace" xmlns:tns="test-namespace" xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
    <!-- 'bam.xsd' defines 'complexTypeBam' to have child 'addedByBam' -->
    <!-- 'baz.xsd' redefines 'bam.xsd: complexTypeBam' to have children 'addedByBam', 'addedByBaz' -->
    <!-- 'foo.xsd is redefining 'baz.xsd: complexTypeBam' to have children 'addedByBam', 'addedByBaz', 'addedByFoo' -->
    <xs:redefine schemaLocation="baz.xsd">
        <xs:complexType name="complexTypeBam"><xs:complexContent>
            <xs:extension base="tns:complexTypeBam"><xs:sequence>
                <xs:element minOccurs="1" name="addedByFoo" type="xs:string" />
            </xs:sequence></xs:extension>
        </xs:complexContent></xs:complexType>
    </xs:redefine>

    <!-- It seems like 'complexTypeBam' is intermediately defined to have children 'addedByBam', 'addedByBaz' -->
    <!-- not yet including the 'addedByFoo' nor 'addedByBar' as happens below -->

    <!-- REMINDER: 'bam.xsd' defines 'complexTypeBam' to have child 'addedByBam' -->
    <!-- 'bar.xsd' redefines 'bam.xsd complexTypeBam' to have children 'addedByBam', 'addedByBar' -->
    <!-- BUT content included through 'bar.xsd' thinks that 'complexTypeBam' has children 'addedByBam', 'addedByBaz', 'addedByBar' -->
    <xs:include schemaLocation="bar.xsd" />

    <!-- content local to this schema ('foo.xsd') thinks that 'complexTypeBam' has children 'addedByBam', 'addedByBaz', 'addedByFoo' -->
    <xs:element name="redefinedByFoo" type="tns:complexTypeBam" />

    <xs:element name="elementRootFoo"><xs:complexType><xs:sequence>
        <!-- this element uses the local redefine -->
        <xs:element ref="tns:redefinedByFoo" />
        <!-- the below use the redefine included in 'bar.xsd' -->
        <xs:element ref="tns:redefinedByBar" />
        <xs:element ref="tns:redefinedByBaz" />
        <xs:element ref="tns:elementBam" />
    </xs:sequence></xs:complexType></xs:element>
</xs:schema>

<elementRootFoo xmlns="test-namespace"  xsi:schemaLocation="test-namespace foo.xsd" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <redefinedByFoo>
        <addedByBam />
        <addedByBaz />
        <addedByFoo /> <!-- NOTE: 'addedByFoo' -->
    </redefinedByFoo>
    <redefinedByBar>
        <addedByBam />
        <addedByBaz /> <!-- NOTE: 'addedByBaz' when 'bar.xsd' redefines from 'bam.xsd' directly -->
        <addedByBar /> <!-- NOTE: 'addedByBar' -->
    </redefinedByBar>
    <redefinedByBaz>
        <addedByBam />
        <addedByBaz />
        <addedByBar /> <!-- NOTE 'addedByBar' -->
    </redefinedByBaz>
    <elementBam>
        <addedByBam />
        <addedByBaz />
        <addedByBar /> <!-- NOTE: 'addedByBar' -->
    </elementBam>
</elementRootFoo>

<xs:schema targetNamespace="test-namespace" xmlns:tns="test-namespace" xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">

    <xs:redefine schemaLocation="bam.xsd">
        <xs:complexType name="complexTypeBam"><xs:complexContent>
            <xs:extension base="tns:complexTypeBam"><xs:sequence>
                <xs:element minOccurs="1" name="addedByBar" type="xs:string" />
            </xs:sequence></xs:extension>
        </xs:complexContent></xs:complexType>
    </xs:redefine>

    <xs:element name="redefinedByBar" type="tns:complexTypeBam" />
</xs:schema>

<xs:schema targetNamespace="test-namespace" xmlns:tns="test-namespace" xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">

    <xs:redefine schemaLocation="bam.xsd">
        <xs:complexType name="complexTypeBam"><xs:complexContent>
            <xs:extension base="tns:complexTypeBam"><xs:sequence>
                <xs:element minOccurs="1" name="addedByBaz" type="xs:string" />
            </xs:sequence></xs:extension>
        </xs:complexContent></xs:complexType>
    </xs:redefine>

    <xs:element name="redefinedByBaz" type="tns:complexTypeBam" />
</xs:schema>

<xs:schema targetNamespace="test-namespace" xmlns:tns="test-namespace" xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
    <xs:complexType name="complexTypeBam">
        <xs:sequence>
            <xs:element minOccurs="1" name="addedByBam" type="xs:string" />
        </xs:sequence>
    </xs:complexType>

    <xs:element name="elementBam" type="tns:complexTypeBam" />
</xs:schema>