<xsd:element name="possible">
    <xsd:annotation>
        <xsd:documentation>This element outlines a possible expected value of a variable.  A value that is passed in from an external source must match one of the possible values if the variable is being restricted.  The required hint attribute gives a short description of what the value means.  The required operator attribute specifies how to compare the actual value of the variable with the possible value.</xsd:documentation>
        <xsd:appinfo>
            <cardinality>0-1</cardinality>
            <attributes>hint, operator</attributes>
            <content>** undefined **</content>
            <parent_elements>restricted</parent_elements>
            <child_elements>** undefined **</child_elements>
        </xsd:appinfo>
    </xsd:annotation>
    <xsd:complexType>
        <xsd:complexContent>
            <xsd:extension base="xsd:anyType">
                <xsd:attribute name="hint" type="xsd:string" use="required" />
                <xsd:attribute name="operator" type="oval:operators" use="required" />
            </xsd:extension>
        </xsd:complexContent>
    </xsd:complexType>
</xsd:element>