<?xml version="1.0" encoding="UTF-8"?>
	
	<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified">
	
		<!-- The expression element consisting of 'from' and 'to' elements -->
		<xs:element name="expression">
			<xs:complexType>
				<xs:sequence>
					<xs:element ref="from"/>
					<xs:element ref="to"/>
				</xs:sequence>
				<!-- the element that is the context of the expression (it must
				     be a model found within the test model being used) -->
				<xs:attribute name="contextType" type="xs:string" use="required"/>
			</xs:complexType>
		</xs:element>
		<!-- the orginial expression we are translating from -->
		<xs:element name="from" type="xs:string"/>
		<!-- what we expect the translated expression to look like after translation -->
		<xs:element name="to" type="xs:string"/>
		<xs:element name="translation">
			<xs:complexType>
				<!-- the name of the translation to lookup and test, this is the name registered
				     when the PluginDiscoverer finds and registers the Translation-Library. 
				     (i.e. to test the query Translation-Library's EJB-QL translation, 
				     this name would be specified as 'query.EJB-QL', which says the
				     name of the Translation-Library is 'query' and the translation
				     to use is 'EJB-QL' -->
				<xs:attribute name="name" type="xs:string" use="required"/>
			</xs:complexType>
		</xs:element>
		<!-- the root element, each TranslationTest file must begin
		     with this element -->
		<xs:element name="translator-test">
			<xs:complexType>
				<xs:sequence>
					<!-- only one translation can be tested per TranslationTest file -->
					<xs:element ref="translation" maxOccurs="1"/>
					<!-- We can have as many expression elements defined as we like -->
					<xs:element ref="expression" maxOccurs="unbounded"/>
				</xs:sequence>
			</xs:complexType>
		</xs:element>
	</xs:schema>