<?xml version="1.0"?>
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<xs:schema targetNamespace="http://schemas.xmlsoap.org/ws/2003/03/addressing" xmlns:wsa="http://schemas.xmlsoap.org/ws/2003/03/addressing" xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified" blockDefault="#all">

   <!-- //////////////////// WS-Addressing //////////////////// -->
	<!-- Endpoint reference -->
	<xs:element name="EndpointReference" type="wsa:EndpointReferenceType"/>
	<xs:complexType name="EndpointReferenceType">
		<xs:sequence>
			<xs:element name="Address" type="wsa:AttributedURI"/>
			<xs:element name="ReferenceProperties" type="wsa:ReferencePropertiesType" minOccurs="0"/>
			<xs:element name="PortType" type="wsa:AttributedQName" minOccurs="0"/>
			<xs:element name="ServiceName" type="wsa:ServiceNameType" minOccurs="0"/>
			<xs:any namespace="##other" processContents="lax" minOccurs="0" maxOccurs="unbounded">
				<xs:annotation>
					<xs:documentation>
					 If "Policy" elements from namespace "http://schemas.xmlsoap.org/ws/2002/12/policy#policy" are used, they must appear first (before any extensibility elements).
					</xs:documentation>
				</xs:annotation>
                        </xs:any>			
		</xs:sequence>
		<xs:anyAttribute namespace="##other" processContents="lax"/>
	</xs:complexType>
	<xs:complexType name="ReferencePropertiesType">
		<xs:sequence>
			<xs:any processContents="lax" minOccurs="0" maxOccurs="unbounded"/>
		</xs:sequence>
	</xs:complexType>
	<xs:complexType name="ServiceNameType">
		<xs:simpleContent>
			<xs:extension base="xs:QName">
				<xs:attribute name="PortName" type="xs:NCName"/>
				<xs:anyAttribute namespace="##other" processContents="lax"/>
			</xs:extension>
		</xs:simpleContent>
	</xs:complexType>
	<!-- Message information header blocks -->
	<xs:element name="MessageID" type="wsa:AttributedURI"/>
	<xs:element name="RelatesTo" type="wsa:Relationship"/>
	<xs:element name="To" type="wsa:AttributedURI"/>
	<xs:element name="Action" type="wsa:AttributedURI"/>
	<xs:element name="From" type="wsa:EndpointReferenceType"/>
	<xs:element name="ReplyTo" type="wsa:EndpointReferenceType"/>
	<xs:element name="FaultTo" type="wsa:EndpointReferenceType"/>
	<xs:element name="Recipient" type="wsa:EndpointReferenceType"/>
	<xs:complexType name="Relationship">
		<xs:simpleContent>
			<xs:extension base="xs:anyURI">
				<xs:attribute name="RelationshipType" type="xs:QName" use="optional"/>
				<xs:anyAttribute namespace="##other" processContents="lax"/>
			</xs:extension>
		</xs:simpleContent>
	</xs:complexType>
	<xs:simpleType name="RelationshipTypeValues">
		<xs:restriction base="xs:QName">
			<xs:enumeration value="wsa:Response"/>
		</xs:restriction>
	</xs:simpleType>
	<!-- Common declarations and definitions -->
	<xs:complexType name="AttributedQName">
		<xs:simpleContent>
			<xs:extension base="xs:QName">
				<xs:anyAttribute namespace="##other" processContents="lax"/>
			</xs:extension>
		</xs:simpleContent>
	</xs:complexType>
	<xs:complexType name="AttributedURI">
		<xs:simpleContent>
			<xs:extension base="xs:anyURI">
				<xs:anyAttribute namespace="##other" processContents="lax"/>
			</xs:extension>
		</xs:simpleContent>
	</xs:complexType>
</xs:schema>