3.1.4.1.3.24.1 Schema

 <xs:complexType name="ExpressionType" xmlns:xs="http://www.w3.org/2001/XMLSchema">
   <xs:sequence>
     <xs:choice>
       <xs:element name="GT" type="mstns:ExpressionLeftRightOperandExpressionType"/>
       <xs:element name="LT" type="mstns:ExpressionLeftRightOperandExpressionType"/>
       <xs:element name="EQ" type="mstns:ExpressionLeftRightOperandExpressionType"/>
       <xs:element name="NE" type="mstns:ExpressionLeftRightOperandExpressionType"/>
       <xs:element name="GE" type="mstns:ExpressionLeftRightOperandExpressionType"/>
       <xs:element name="LE" type="mstns:ExpressionLeftRightOperandExpressionType"/>
       <xs:element name="AND" type="mstns:ExpressionLeftRightOperandExpressionType"/>
       <xs:element name="OR" type="mstns:ExpressionLeftRightOperandExpressionType"/>
       <xs:element name="NOT" type="mstns:ExpressionType"/>
       <xs:element name="ExpressionMethod" type="mstns:ExpressionMethodExpressionType"/>
       <xs:element name="ExpressionStaticMethod" type="mstns:ExpressionStaticMethodExpressionType"/>
       <xs:element name="ExpressionProperty" type="mstns:ExpressionPropertyExpressionType"/>
       <xs:element name="ExpressionStaticProperty" type="mstns:ExpressionStaticPropertyExpressionType"/>
       <xs:element name="ExpressionParameter" type="mstns:ExpressionParameterExpressionType"/>
       <xs:element name="ExpressionConvert" type="mstns:ExpressionConvertExpressionType"/>
       <xs:element name="ExpressionTypeIs" type="mstns:ExpressionTypeIsExpressionType"/>
       <xs:element name="ExpressionConstant" type="mstns:MethodParameterType"/>
     </xs:choice>
   </xs:sequence>
 </xs:complexType>