<xsd:simpleType name="ST_StrokeArrowType">
    <xsd:annotation>
        <xsd:documentation>Stroke Arrowhead Type</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="none">
            <xsd:annotation>
                <xsd:documentation>No Arrowhead</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="block">
            <xsd:annotation>
                <xsd:documentation>Block Arrowhead</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="classic">
            <xsd:annotation>
                <xsd:documentation>Classic Arrowhead</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="oval">
            <xsd:annotation>
                <xsd:documentation>Oval Arrowhead</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="diamond">
            <xsd:annotation>
                <xsd:documentation>Diamond Arrowhead</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
        <xsd:enumeration value="open">
            <xsd:annotation>
                <xsd:documentation>Open Arrowhead</xsd:documentation>
            </xsd:annotation>
        </xsd:enumeration>
    </xsd:restriction>
</xsd:simpleType>

• ST_StrokeArrowType
• v:endarrow
• v:startarrow
• o:endarrow
• o:startarrow