<xsd:simpleType name="alttranstypeValueList">
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="proposal">
            <xsd:annotation>
                <xsd:documentation>Represents a translation proposal from a translation memory or other resource.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="previous-version">
            <xsd:annotation>
                <xsd:documentation>Represents a previous version of the target element.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="rejected">
            <xsd:annotation>
                <xsd:documentation>Represents a rejected version of the target element.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="reference">
            <xsd:annotation>
                <xsd:documentation>Represents a translation to be used for reference purposes only, for example from a related product or a different language.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="accepted">
            <xsd:annotation>
                <xsd:documentation>Represents a proposed translation that was used for the translation of the trans-unit, possibly modified.</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
    </xsd:restriction>
</xsd:simpleType>