Complex type for the element.
default.type is mixed, that is, data may contain #PCDATA.
Content type: extension of data-extension.type which is empty
per default.
Java class for default.type complex type.
The following schema fragment specifies the expected content contained within this class.
<complexType name="default.type">
<complexContent>
<extension base="{http://graphml.graphdrawing.org/xmlns}data-extension.type">
<attGroup ref="{http://graphml.graphdrawing.org/xmlns}default.extra.attrib"/>
</extension>
</complexContent>
</complexType>