Simple type for the type attribute of <endpoint>.
endpoint.type.type is a restriction of xs:NMTOKEN
Allowed values: in, out, undir.

<?xml version="1.0" encoding="utf-16"?>
<xs:simpleType name="endpoint.type.type" final="#all">
    <xs:annotation>
        <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
      Simple type for the type attribute of &lt;endpoint&gt;.
      endpoint.type.type is a restriction of xs:NMTOKEN
      Allowed values: in, out, undir.
    </xs:documentation>
    </xs:annotation>
    <xs:restriction base="xs:NMTOKEN">
        <xs:enumeration value="in" />
        <xs:enumeration value="out" />
        <xs:enumeration value="undir" />
    </xs:restriction>
</xs:simpleType>

• endpoint.type.type
• g:type