org.eclipse.ua.tests/service/schema/xml/extension.xsd

<?xml version="1.0" encoding="UTF-8"?>

<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
	elementFormDefault="qualified">

	<xs:element name="contentExtensions">
		<xs:complexType mixed="false">
			<xs:sequence>
				<xs:element ref="contribution" minOccurs="0"
					maxOccurs="unbounded" />
				<xs:element ref="replacement" minOccurs="0"
					maxOccurs="unbounded" />
			</xs:sequence>
		</xs:complexType>
	</xs:element>
	
	<xs:element name="contribution">
		<xs:complexType mixed="true">
			<xs:attribute name="content" type="xs:string"/> <!-- optional attribute for contribution -->
			<xs:attribute name="path" type="xs:string"/> <!-- optional attribute for contribution -->
		</xs:complexType>
	</xs:element>
	
	<xs:element name="replacement">
		<xs:complexType mixed="true">
			<xs:attribute name="content" type="xs:string"/> <!-- optional attribute for replacement -->
			<xs:attribute name="path" type="xs:string"/> <!-- optional attribute for replacement -->
		</xs:complexType>
	</xs:element>
	
</xs:schema>