<xs:element name="SegmentOverride" minOccurs="0" maxOccurs="20">
    <xs:annotation>
        <xs:documentation xml:lang="en">Used to specify a segment that should be overridden.</xs:documentation>
    </xs:annotation>
    <xs:complexType>
        <xs:attribute name="SegmentNumber" type="Numeric1to99" use="required">
            <xs:annotation>
                <xs:documentation xml:lang="en">Used to specify a segment that should be overridden.</xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute name="SegmentType" use="required">
            <xs:annotation>
                <xs:documentation xml:lang="en">Used to specify what should be overridden.</xs:documentation>
            </xs:annotation>
            <xs:simpleType>
                <xs:restriction base="xs:NMTOKEN">
                    <xs:enumeration value="Connection">
                        <xs:annotation>
                            <xs:documentation xml:lang="en">Ignore that this is a connection segment.</xs:documentation>
                        </xs:annotation>
                    </xs:enumeration>
                    <xs:enumeration value="Stopover">
                        <xs:annotation>
                            <xs:documentation xml:lang="en">Ignore that this is a stopover segment.</xs:documentation>
                        </xs:annotation>
                    </xs:enumeration>
                    <xs:enumeration value="TurnaroundPoint">
                        <xs:annotation>
                            <xs:documentation xml:lang="en">Ignore that this is a turnaround point segment.</xs:documentation>
                        </xs:annotation>
                    </xs:enumeration>
                </xs:restriction>
            </xs:simpleType>
        </xs:attribute>
    </xs:complexType>
</xs:element>