se/SE/schema/ant-tool/SyncResourcesYed/ygraphml.xsd

<?xml version="1.0"?>

<!-- Header this is flattened by Arkadiusz Binder to locally parse data faster -->
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified"
    targetNamespace="http://graphml.graphdrawing.org/xmlns"
    xmlns="http://graphml.graphdrawing.org/xmlns" xmlns:g="http://graphml.graphdrawing.org/xmlns"
    xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xs="http://www.w3.org/2001/XMLSchema"
    xmlns:y="http://www.yworks.com/xml/graphml">
    <xs:annotation>
        <xs:documentation>       GraphML core language definitions including GraphML attributes and
            GraphML parseinfo.     </xs:documentation>
    </xs:annotation>
    <xs:import namespace="http://www.yworks.com/xml/graphml" schemaLocation="yfeatures.xsd"/>
    <!--<xs:include schemaLocation="graphml-parseinfo.xsd"/>-->
    <!-- Redefinition of the elements in the graphml-structure schema -->
    <xs:import namespace="http://www.w3.org/1999/xlink" schemaLocation="xlink.xsd">
        <xs:annotation>
            <xs:documentation xml:lang="en">         Get access to the xlink attribute groups for
                the attributes         xlink:href and xlink:type of locator.type.
            </xs:documentation>
        </xs:annotation>
    </xs:import>
    <xs:attributeGroup name="key.extra.attrib">
        <xs:annotation>
            <xs:documentation>           Redefinition of file graphml-structure.xsd.
                    <p>Extends the attribute group key.extra.attrib (which takes             part in
                    the attribute list of &lt;key&gt;) by adding the             attribute yfiles.type which
                    is defined below.           </p>
            </xs:documentation>
        </xs:annotation>
        <xs:attributeGroup ref="key.extra.attrib_Redefined1"/>
        <xs:attribute name="yfiles.type" type="xs:string" use="optional">
            <xs:annotation>
                <xs:documentation>             Custom yfiles specific attribute that allows to
                    specify an additional data type.           </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:attributeGroup>
    <xs:attributeGroup name="key.extra.attrib_Redefined1">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Redefinition of file graphml-structure.xsd.         Extends the attribute group
                key.extra.attrib (which takes         part in the attribute list of &lt;key&gt;) by adding
                the         attribute group key.attributes.attrib which is defined below.
            </xs:documentation>
        </xs:annotation>
        <xs:attributeGroup ref="key.extra.attrib_Redefined0"/>
        <xs:attributeGroup ref="key.attributes.attrib"/>
    </xs:attributeGroup>
    <!-- Definition of the different grouping types -->
    <!-- The grouping type is stored as attribute at the node element -->
    <xs:attributeGroup name="node.extra.attrib">
        <xs:annotation>
            <xs:documentation>           Redefinition of file graphml-structure.xsd.
                    <p>Extends the attribute group node.extra.attrib (which takes             part
                    in the attribute list of &lt;node&gt;) by adding a             yfiles specific attribute
                    for the folder type.           </p>
            </xs:documentation>
        </xs:annotation>
        <xs:attributeGroup ref="node.extra.attrib_Redefined1"/>
        <xs:attribute name="yfiles.foldertype" type="yfiles.foldertype.type" use="optional">
            <xs:annotation>
                <xs:documentation>             The foldertype for group/folder nodes.
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:attributeGroup>
    <xs:attributeGroup name="node.extra.attrib_Redefined1">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Redefinition of file graphml-structure.xsd.         Extends the attribute group
                graph.extra.attrib (which takes         part in the attribute list of &lt;graph&gt;) by
                adding the         attribute group graph.parseinfo.attrib which is defined below.
            </xs:documentation>
        </xs:annotation>
        <xs:attributeGroup ref="node.extra.attrib_Redefined0"/>
        <xs:attributeGroup ref="node.parseinfo.attrib"/>
    </xs:attributeGroup>
    <xs:complexType name="data-extension.type">
        <xs:complexContent mixed="true">
            <xs:extension base="data-extension.type_Redefined0">
                <xs:sequence>
                    <xs:any maxOccurs="unbounded" minOccurs="0" processContents="strict"/>
                </xs:sequence>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>
    <xs:complexType mixed="true" name="data-extension.type_Redefined0">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Extension mechanism for the content of &lt;data&gt; and &lt;default&gt;.         The complex type
                data-extension.type is empty per default.         Users may redefine this type in
                order to add content to         the complex types data.type and default.type which
                are         extensions of data-extension.type.       </xs:documentation>
        </xs:annotation>
    </xs:complexType>
    <xs:annotation>
        <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">      This
            document defines the GraphML language including GraphML attributes and GraphML
            parseinfo.     </xs:documentation>
    </xs:annotation>
    <xs:attributeGroup name="key.extra.attrib_Redefined0">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="graph.extra.attrib">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Redefinition of file graphml-structure.xsd.         Extends the attribute group
                node.extra.attrib (which takes         part in the attribute list of &lt;node&gt;) by adding
                the         attribute group node.parseinfo.attrib which is defined below.
            </xs:documentation>
        </xs:annotation>
        <xs:attributeGroup ref="graph.extra.attrib_Redefined0"/>
        <xs:attributeGroup ref="graph.parseinfo.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="graph.extra.attrib_Redefined0">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="node.extra.attrib_Redefined0">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:annotation>
        <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       The schema
            corresponding to this document defines the structural       layer of the Graph Markup
            Language (GraphML).       Although a DTD is provided, this schema is, together with its
            extensions       http://graphml.graphdrawing.org/xmlns/1.0/graphml-attributes.xsd
            and       http://graphml.graphdrawing.org/xmlns/1.0/graphml-parseinfo.xsd,       the
            only normative reference.     </xs:documentation>
    </xs:annotation>
    <xs:annotation>
        <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       The
            attribute groups &lt;element_name&gt;.extra.attrib may be used       for adding user defined
            attributes to the elements       &lt;element_name&gt;.       The attribute group
            common.extra.attrib may be used for adding       user defined attributes to all
            elements.     </xs:documentation>
    </xs:annotation>
    <xs:attributeGroup name="common.extra.attrib"/>
    <xs:attributeGroup name="graphml.extra.attrib">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="data.extra.attrib">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="default.extra.attrib">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="edge.extra.attrib">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="port.extra.attrib">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="hyperedge.extra.attrib">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="endpoint.extra.attrib">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:attributeGroup name="locator.extra.attrib">
        <xs:attributeGroup ref="common.extra.attrib"/>
    </xs:attributeGroup>
    <xs:annotation>
        <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Complex
            type definitions for the GraphML structural layer elements:       &lt;data&gt;, &lt;default&gt;, &lt;key&gt;,
            &lt;graphml&gt;, &lt;graph&gt;,       &lt;node&gt;, &lt;port&gt;,       &lt;edge&gt;, &lt;hyperedge&gt;, &lt;endpoint&gt; and &lt;locator&gt;.       The
            names of the complex types are constructed corresponding       to the pattern
            element_name.type.       (The only remaining GraphML structural layer element       &lt;desc&gt;
            is of simple type xs:string.)     </xs:documentation>
    </xs:annotation>
    <xs:complexType final="#all" name="data.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;data&gt; element.         data.type is mixed, that is, &lt;data&gt; may
                contain #PCDATA.         Content type: extension of data-extension.type which is
                empty         per default.       </xs:documentation>
        </xs:annotation>
        <xs:complexContent mixed="true">
            <xs:extension base="data-extension.type">
                <xs:attribute form="unqualified" name="key" type="xs:NMTOKEN" use="required">
                    <xs:annotation>
                        <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en"
                            >refers to the id attribute of a &lt;key&gt;.             </xs:documentation>
                    </xs:annotation>
                </xs:attribute>
                <xs:attribute form="unqualified" name="id" type="xs:NMTOKEN" use="optional">
                    <xs:annotation>
                        <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en"
                            >identifies this &lt;data&gt;.             </xs:documentation>
                    </xs:annotation>
                </xs:attribute>
                <xs:attributeGroup ref="data.extra.attrib">
                    <xs:annotation>
                        <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                            user defined extra attributes for &lt;data&gt; elements
                        </xs:documentation>
                    </xs:annotation>
                </xs:attributeGroup>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>
    <xs:complexType final="#all" name="default.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;default&gt; element.         default.type is mixed, that is, data
                may contain #PCDATA.         Content type: extension of data-extension.type which is
                empty         per default.       </xs:documentation>
        </xs:annotation>
        <xs:complexContent mixed="true">
            <xs:extension base="data-extension.type">
                <xs:attributeGroup ref="default.extra.attrib">
                    <xs:annotation>
                        <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                            user defined extra attributes for &lt;default&gt; elements
                        </xs:documentation>
                    </xs:annotation>
                </xs:attributeGroup>
            </xs:extension>
        </xs:complexContent>
    </xs:complexType>
    <xs:simpleType final="#all" name="key.for.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Simple type for the for attribute of &lt;key&gt;.         key.for.type is a restriction of
                xs:NMTOKEN         Allowed values: all, graphml, graph, node, edge, hyperedge, port
                and endpoint.       </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="all"/>
            <xs:enumeration value="graph"/>
            <xs:enumeration value="node"/>
            <xs:enumeration value="edge"/>
            <xs:enumeration value="hyperedge"/>
            <xs:enumeration value="port"/>
            <xs:enumeration value="endpoint"/>
            <xs:enumeration value="graphml"/>
        </xs:restriction>
    </xs:simpleType>
    <xs:complexType final="#all" name="key.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;key&gt; element.       </xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:element minOccurs="0" ref="desc"/>
            <xs:element minOccurs="0" ref="default"/>
        </xs:sequence>
        <xs:attribute form="unqualified" name="id" type="xs:NMTOKEN" use="required">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">identifies
                    this &lt;key&gt;.         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute default="all" form="unqualified" name="for" type="key.for.type">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    describes the domain of definition for           the corresponding graph
                    attribute.         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attributeGroup ref="key.extra.attrib">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    user defined extra attributes for &lt;key&gt; elements.         </xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
    </xs:complexType>
    <xs:complexType final="#all" name="graphml.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;graphml&gt; element.       </xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:element minOccurs="0" ref="desc"/>
            <xs:element maxOccurs="unbounded" minOccurs="0" ref="key"/>
            <xs:sequence>
                <xs:choice maxOccurs="unbounded" minOccurs="0">
                    <xs:element ref="graph"/>
                    <xs:element ref="data"/>
                </xs:choice>
            </xs:sequence>
        </xs:sequence>
        <xs:attributeGroup ref="graphml.extra.attrib">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    user defined extra attributes for &lt;graphml&gt; elements.         </xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
    </xs:complexType>
    <xs:simpleType final="#all" name="graph.edgedefault.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Simple type for the edgedefault attribute of &lt;graph&gt;.         graph.edgedefault.type
                is a restriction of xs:NMTOKEN         Allowed values: directed, undirected.
            </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="directed"/>
            <xs:enumeration value="undirected"/>
        </xs:restriction>
    </xs:simpleType>
    <xs:complexType final="#all" name="graph.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;graph&gt; element.       </xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:element minOccurs="0" ref="desc"/>
            <xs:choice>
                <xs:sequence>
                    <xs:choice maxOccurs="unbounded" minOccurs="0">
                        <xs:element ref="data"/>
                        <xs:element ref="node"/>
                        <xs:element ref="edge"/>
                        <xs:element ref="hyperedge"/>
                    </xs:choice>
                </xs:sequence>
                <xs:element ref="locator"/>
            </xs:choice>
        </xs:sequence>
        <xs:attributeGroup ref="graph.extra.attrib">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    user defined extra attributes for &lt;graph&gt; elements.         </xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
        <xs:attribute form="unqualified" name="id" type="xs:NMTOKEN">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    identifies this graph .         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute form="unqualified" name="edgedefault" type="graph.edgedefault.type"
            use="required">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    describes whether edges of this graph are considered           as directed or
                    undirected per default (unless           specified by the attribute directed of
                    &lt;edge&gt;).         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
    <xs:complexType final="#all" name="node.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;node&gt; element.       </xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:element minOccurs="0" ref="desc"/>
            <xs:choice>
                <xs:sequence>
                    <xs:choice maxOccurs="unbounded" minOccurs="0">
                        <xs:element ref="data"/>
                        <xs:element ref="port"/>
                        <xs:element ref="graph"/>
                    </xs:choice>
                </xs:sequence>
                <xs:element ref="locator"/>
            </xs:choice>
        </xs:sequence>
        <xs:attributeGroup ref="node.extra.attrib">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    user defined extra attributes for &lt;node elements.         </xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
        <xs:attribute form="unqualified" name="id" type="xs:NMTOKEN" use="required">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    identifies this node.         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
    <xs:complexType final="#all" name="port.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;port&gt; element.       </xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:element minOccurs="0" ref="desc"/>
            <xs:choice maxOccurs="unbounded" minOccurs="0">
                <xs:element ref="data"/>
                <xs:element ref="port"/>
            </xs:choice>
        </xs:sequence>
        <xs:attributeGroup ref="port.extra.attrib">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    user defined extra attributes for &lt;port&gt; elements.         </xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
        <xs:attribute form="unqualified" name="name" type="xs:NMTOKEN" use="required">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    identifies this port, within the node it is contained in.
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
    <xs:complexType final="#all" name="edge.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;edge&gt; element.       </xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:element minOccurs="0" ref="desc"/>
            <xs:element maxOccurs="unbounded" minOccurs="0" ref="data"/>
            <xs:element minOccurs="0" ref="graph"/>
        </xs:sequence>
        <xs:attributeGroup ref="edge.extra.attrib">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    user defined extra attributes for &lt;edge&gt; elements.         </xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
        <xs:attribute form="unqualified" name="id" type="xs:NMTOKEN">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    identifies this edge .         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute form="unqualified" name="directed" type="xs:boolean">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    overwrites the edgedefault attribute of &lt;graph&gt; .         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute form="unqualified" name="source" type="xs:NMTOKEN" use="required">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    points to the id attribute of the source &lt;node&gt;.         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute form="unqualified" name="target" type="xs:NMTOKEN" use="required">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    points to the id attribute of the target &lt;node&gt;.         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute form="unqualified" name="sourceport" type="xs:NMTOKEN">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    points to the name attribute of the source &lt;port&gt;.         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute form="unqualified" name="targetport" type="xs:NMTOKEN">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    points to the name attribute of the target &lt;port&gt;.         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
    <xs:complexType final="#all" name="hyperedge.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;hyperedge&gt; element.       </xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:element minOccurs="0" ref="desc"/>
            <xs:choice maxOccurs="unbounded" minOccurs="0">
                <xs:element ref="data"/>
                <xs:element ref="endpoint"/>
            </xs:choice>
            <xs:element minOccurs="0" ref="graph"/>
        </xs:sequence>
        <xs:attributeGroup ref="hyperedge.extra.attrib">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    user defined extra attributes for &lt;hyperedge&gt; elements.
                </xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
        <xs:attribute form="unqualified" name="id" type="xs:NMTOKEN">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    identifies this &lt;hyperedge&gt; .         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
    <xs:simpleType final="#all" name="endpoint.type.type">
        <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>
    <xs:complexType final="#all" name="endpoint.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;endpoint&gt; element.       </xs:documentation>
        </xs:annotation>
        <xs:sequence>
            <xs:element minOccurs="0" ref="desc"/>
        </xs:sequence>
        <xs:attributeGroup ref="endpoint.extra.attrib">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    user defined extra attributes for &lt;endpoint&gt; elements.         </xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
        <xs:attribute form="unqualified" name="id" type="xs:NMTOKEN">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    identifies this &lt;endpoint&gt; .         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute form="unqualified" name="port" type="xs:NMTOKEN">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    points to the name of the port, to which this endpoint is           connected .
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute form="unqualified" name="node" type="xs:NMTOKEN" use="required">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    points to the id of the node, to which this endpoint is connected.
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <xs:attribute default="undir" form="unqualified" name="type" type="endpoint.type.type">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    defines the direction on this endpoint (undirected per default).
                </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
    <xs:complexType final="#all" name="locator.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Complex type for the &lt;locator&gt; element.         Content type: (empty)
            </xs:documentation>
        </xs:annotation>
        <xs:attributeGroup ref="locator.extra.attrib">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    user defined extra attributes for &lt;locator&gt; elements.         </xs:documentation>
            </xs:annotation>
        </xs:attributeGroup>
        <xs:attribute ref="xlink:href" use="required">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    points to the resource of this locator.         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
        <!-- xs:attribute ref="xlink:type" fixed="simple"-->
        <xs:attribute ref="xlink:type">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    type of the hyperlink (fixed as simple).         </xs:documentation>
            </xs:annotation>
        </xs:attribute>
    </xs:complexType>
    <!--========================================================-->
    <xs:element block="#all" name="desc" type="xs:string">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: Provides human-readable descriptions for the GraphML         element
                containing this &lt;desc&gt; as its first child.         Occurence: &lt;key&gt;, &lt;graphml&gt;, &lt;graph&gt;,
                &lt;node&gt;, &lt;port&gt;, &lt;edge&gt;, &lt;hyperedge&gt;, and         &lt;endpoint&gt;.       </xs:documentation>
        </xs:annotation>
    </xs:element>
    <xs:element block="#all" name="locator" type="locator.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: Graphs and nodes are declared by the elements         &lt;graph&gt; and &lt;node&gt;,
                respectively. The optional         &lt;locator&gt;-child of these elements point to
                their definition. (If there is no &lt;locator&gt;-child         the graphs/nodes are defined
                by their content).         Occurence: &lt;graph&gt;, and &lt;node&gt;.       </xs:documentation>
        </xs:annotation>
    </xs:element>
    <xs:element block="#all" name="data" type="data.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: In GraphML there may be data-functions attached         to graphs,
                nodes, ports, edges, hyperedges and         endpoint and to the whole collection of
                graphs described by the content of &lt;graphml&gt;.         These functions are declared by
                &lt;key&gt; elements         (children of &lt;graphml&gt;) and defined by &lt;data&gt;         elements.
                Occurence: &lt;graphml&gt;, &lt;graph&gt;, &lt;node&gt;, &lt;port&gt;,         &lt;edge&gt;, &lt;hyperedge&gt;, and &lt;endpoint&gt;.
            </xs:documentation>
        </xs:annotation>
        <xs:unique name="data_data_key_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the key attributes of &lt;data&gt; children           of this
                    &lt;data&gt; element.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath="./g:data"/>
            <xs:field xpath="@key"/>
        </xs:unique>
    </xs:element>
    <xs:element block="#all" name="key" type="key.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: In GraphML there may be data-functions attached         to graphs,
                nodes, ports, edges, hyperedges and         endpoint and to the whole collection of
                graphs described by the content of &lt;graphml&gt;.         These functions are declared by
                &lt;key&gt; elements         (children of &lt;graphml&gt;) and defined by &lt;data&gt;         elements.
                Occurence: &lt;graphml&gt;.       </xs:documentation>
        </xs:annotation>
    </xs:element>
    <xs:element block="#all" name="default" type="default.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: In GraphML there may be data-functions attached         to graphs,
                nodes, ports, edges, hyperedges and         endpoint and to the whole collection of
                graphs described by the content of &lt;graphml&gt;.         These functions are declared by
                &lt;key&gt; elements         (children of &lt;graphml&gt;) and defined by &lt;data&gt;         elements.
                The (optional) &lt;default&gt; child of &lt;key&gt; gives         the default value for the
                corresponding function.         Occurence: &lt;key&gt;.       </xs:documentation>
        </xs:annotation>
    </xs:element>
    <xs:element block="#all" name="graphml" type="graphml.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: &lt;graphml&gt; is the root element of each GraphML         document.
                Occurence: root.       </xs:documentation>
        </xs:annotation>
        <xs:unique name="graphml_data_key_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the key attributes of &lt;data&gt; children           of this
                    &lt;graphml&gt; element.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath="./g:data"/>
            <xs:field xpath="@key"/>
        </xs:unique>
        <xs:key name="key_id_key">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: existence and uniqueness of the id attributes of           each &lt;key&gt;
                    element in this document.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:key"/>
            <xs:field xpath="@id"/>
        </xs:key>
        <xs:unique name="graph_id_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the id attributes of           each &lt;graph&gt; element in this
                    document.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:graph"/>
            <xs:field xpath="@id"/>
        </xs:unique>
        <xs:keyref name="data_key_ref" refer="key_id_key">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: for the key attribute of each &lt;data&gt; in this document,           the
                    existence of an id attribute of           &lt;key&gt; which matches the value of it.
                </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:data"/>
            <xs:field xpath="@key"/>
        </xs:keyref>
    </xs:element>
    <xs:element block="#all" name="graph" type="graph.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: Describes one graph in this document.         Occurence: &lt;graphml&gt;, &lt;node&gt;,
                &lt;edge&gt;, &lt;hyperedge&gt;.       </xs:documentation>
        </xs:annotation>
        <xs:unique name="graph_data_key_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the key attributes of &lt;data&gt; children           of this
                    &lt;graph&gt; element.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath="./g:data"/>
            <xs:field xpath="@key"/>
        </xs:unique>
        <xs:key name="node_id_key">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: existence and uniqueness of the id attributes of           each &lt;node&gt;
                    element in this graph.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:node"/>
            <xs:field xpath="@id"/>
        </xs:key>
        <xs:unique name="edge_id_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the id attributes of           each &lt;edge&gt; element in this
                    graph.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:edge"/>
            <xs:field xpath="@id"/>
        </xs:unique>
        <xs:unique name="hyperedge_id_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the id attributes of           each &lt;hyperedge&gt; element in
                    this graph.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:hyperedge"/>
            <xs:field xpath="@id"/>
        </xs:unique>
        <xs:unique name="endpoint_id_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the id attributes of           each &lt;endpoint&gt; element in
                    this graph.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:endpoint"/>
            <xs:field xpath="@id"/>
        </xs:unique>
        <xs:keyref name="edge_source_ref" refer="node_id_key">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: for the source attribute of each &lt;edge&gt; in this graph,           the
                    existence of an id attribute of           &lt;node&gt; which matches the value of it.
                </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:edge"/>
            <xs:field xpath="@source"/>
        </xs:keyref>
        <xs:keyref name="edge_target_ref" refer="node_id_key">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: for the target attribute of each &lt;edge&gt; in this graph,           the
                    existence of an id attribute of           &lt;node&gt; which matches the value of it.
                </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:edge"/>
            <xs:field xpath="@target"/>
        </xs:keyref>
        <xs:keyref name="endpoint_node_ref" refer="node_id_key">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: for the node attribute of each &lt;endpoint&gt; in this graph,           the
                    existence of an id attribute of           &lt;node&gt; which matches the value of it.
                </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:endpoint"/>
            <xs:field xpath="@node"/>
        </xs:keyref>
    </xs:element>
    <xs:element block="#all" name="node" type="node.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: Describes one node in the &lt;graph&gt;         containing this &lt;node&gt;.
                Occurence: &lt;graph&gt;.       </xs:documentation>
        </xs:annotation>
        <xs:key name="port_name_key">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: existence and uniqueness of the name attributes of           each &lt;port&gt;
                    element within this &lt;node&gt;.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath=".//g:port"/>
            <xs:field xpath="@name"/>
        </xs:key>
        <xs:unique name="node_data_key_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the key attributes of &lt;data&gt; children           of this
                    &lt;node&gt; element.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath="./g:data"/>
            <xs:field xpath="@key"/>
        </xs:unique>
    </xs:element>
    <xs:element block="#all" name="port" type="port.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: Nodes may be structured by ports; thus edges         are not only
                attached to a node but to a certain         port in this node.         Occurence:
                &lt;node&gt;, &lt;port&gt;.       </xs:documentation>
        </xs:annotation>
        <xs:unique name="port_data_key_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the key attributes of &lt;data&gt; children           of this
                    &lt;port&gt; element.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath="./g:data"/>
            <xs:field xpath="@key"/>
        </xs:unique>
    </xs:element>
    <xs:element block="#all" name="edge" type="edge.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: Describes an edge in the &lt;graph&gt; which contains this         &lt;edge&gt;.
                Occurence: &lt;graph&gt;.       </xs:documentation>
        </xs:annotation>
        <xs:unique name="edge_data_key_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the key attributes of &lt;data&gt; children           of this
                    &lt;edge&gt; element.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath="./g:data"/>
            <xs:field xpath="@key"/>
        </xs:unique>
    </xs:element>
    <xs:element block="#all" name="hyperedge" type="hyperedge.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: While edges describe relations between two nodes,         a hyperedge
                describes a relation between an arbitrary         number of nodes.
                Occurence: &lt;graph&gt;.       </xs:documentation>
        </xs:annotation>
        <xs:unique name="hyperedge_data_key_unique">
            <xs:annotation>
                <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                    Ensures: uniqueness of the key attributes of &lt;data&gt; children           of this
                    &lt;hyperedge&gt; element.         </xs:documentation>
            </xs:annotation>
            <xs:selector xpath="./g:data"/>
            <xs:field xpath="@key"/>
        </xs:unique>
    </xs:element>
    <xs:element block="#all" name="endpoint" type="endpoint.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Description: The list of &lt;endpoints&gt; within a hyperedge         points to the nodes
                contained in this hyperedge.         Occurence: &lt;hyperedge&gt;.       </xs:documentation>
        </xs:annotation>
    </xs:element>
    <!--types as in graphml-attributes.xsd -->
    <xs:simpleType final="#all" name="key.name.type">
        <xs:annotation>
            <xs:documentation
                source="http://graphml.graphdrawing.org/(Dokumentation der Attributes Erweiterung; entsprechende Stelle.html)"
                xml:lang="en">         Simple type for the attr.name attribute of &lt;key&gt;.
                key.name.type is final, that is, it may not be extended         or restricted.
                key.name.type is a restriction of xs:NMTOKEN         Allowed values: (no
                restriction)       </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:NMTOKEN"/>
    </xs:simpleType>
    <xs:simpleType final="#all" name="key.type.type">
        <xs:annotation>
            <xs:documentation
                source="http://graphml.graphdrawing.org/(Dokumentation der Attributes Erweiterung; entsprechende Stelle.html)"
                xml:lang="en">         Simple type for the attr.type attribute of &lt;key&gt;.
                key.type.type is final, that is, it may not be extended         or restricted.
                key.type.type is a restriction of xs:NMTOKEN         Allowed values: boolean, int,
                long, float, double, string, complex.       </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="boolean"/>
            <xs:enumeration value="int"/>
            <xs:enumeration value="long"/>
            <xs:enumeration value="float"/>
            <xs:enumeration value="double"/>
            <xs:enumeration value="string"/>
            <xs:enumeration value="complex"/>
        </xs:restriction>
    </xs:simpleType>
    <xs:attributeGroup name="key.attributes.attrib">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Definition of the attribute group key.attributes.attrib.         This group consists
                of the two optional attributes         - attr.name (gives the name for the data
                function)         - attr.type (declares the range of values for the data function)
            </xs:documentation>
        </xs:annotation>
        <xs:attribute form="unqualified" name="attr.name" type="key.name.type" use="optional"/>
        <xs:attribute form="unqualified" name="attr.type" type="key.type.type" use="optional"/>
    </xs:attributeGroup>
    <!--types as in graphml-parseinfo.xsd -->
    <xs:simpleType final="#all" name="graph.order.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Simple
                type for the parse.order attribute of &lt;graph&gt;.       graph.order.type is final, that
                is, it may not be extended                           or restricted.
                graph.order.type is a restriction of xs:NMTOKEN       Allowed values: free,
                nodesfirst, adjacencylist.     </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="free"/>
            <xs:enumeration value="nodesfirst"/>
            <xs:enumeration value="adjacencylist"/>
        </xs:restriction>
    </xs:simpleType>
    <xs:simpleType final="#all" name="graph.nodes.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Simple
                type for the parse.nodes attribute of &lt;graph&gt;.       graph.nodes.type is final, that
                is, it may not be extended                           or restricted.
                graph.nodes.type is a restriction of xs:nonNegativeInteger       Allowed values: (no
                restriction).     </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:nonNegativeInteger"/>
    </xs:simpleType>
    <xs:simpleType final="#all" name="graph.edges.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Simple
                type for the parse.edges attribute of &lt;graph&gt;.       graph.edges.type is final, that
                is, it may not be extended                           or restricted.
                graph.edges.type is a restriction of xs:nonNegativeInteger       Allowed values: (no
                restriction).     </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:nonNegativeInteger"/>
    </xs:simpleType>
    <xs:simpleType final="#all" name="graph.maxindegree.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Simple
                type for the parse.maxindegree attribute of &lt;graph&gt;.       graph.maxindegree.type is
                final, that is, it may not be extended                           or restricted.
                graph.maxindegree.type is a restriction of xs:nonNegativeInteger       Allowed
                values: (no restriction).     </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:nonNegativeInteger"/>
    </xs:simpleType>
    <xs:simpleType final="#all" name="graph.maxoutdegree.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Simple
                type for the parse.maxoutdegree attribute of &lt;graph&gt;.       graph.maxoutdegree.type is
                final, that is, it may not be extended                           or restricted.
                graph.maxoutdegree.type is a restriction of xs:nonNegativeInteger       Allowed
                values: (no restriction).     </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:nonNegativeInteger"/>
    </xs:simpleType>
    <xs:simpleType final="#all" name="graph.nodeids.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Simple
                type for the parse.nodeids attribute of &lt;graph&gt;.       graph.nodeids.type is final,
                that is, it may not be extended                           or restricted.
                graph.nodeids.type is a restriction of xs:string       Allowed values: (no
                restriction).     </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="canonical"/>
            <xs:enumeration value="free"/>
        </xs:restriction>
    </xs:simpleType>
    <xs:simpleType final="#all" name="graph.edgeids.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Simple
                type for the parse.edgeids attribute of &lt;graph&gt;.       graph.edgeids.type is final,
                that is, it may not be extended                           or restricted.
                graph.edgeids.type is a restriction of xs:string       Allowed values: (no
                restriction).     </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="canonical"/>
            <xs:enumeration value="free"/>
        </xs:restriction>
    </xs:simpleType>
    <xs:attributeGroup name="graph.parseinfo.attrib">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Definition of the attribute group graph.parseinfo.attrib.      This group consists
                of the seven attributes:      <ul>
                    <li><code>parse.nodeids</code></li> (fixed to 'canonical' meaning that the id
                    attribute                       of &lt;node&gt; follows the pattern 'n[number]),
                            <li><code>parse.edgeids</code></li> (fixed to 'canonical' meaning that
                    the id attribute                       of &lt;edge&gt; follows the pattern 'e[number]),
                            <li><code>parse.order</code></li> (required; one of the values
                    'nodesfirst',                      'adjacencylist' or 'free'),
                            <li><code>parse.nodes</code></li> (required; number of nodes in this
                    graph),       <li><code>parse.edges</code></li> (required; number of edges in
                    this graph),       <li><code>parse.maxindegree</code></li> (optional; maximal
                    indegree of a node in this graph),      <li><code>parse.maxoutdegree</code></li>
                    (optional; maximal outdegree of a node in this graph)      </ul>
            </xs:documentation>
        </xs:annotation>
        <xs:attribute form="unqualified" name="parse.nodeids" type="graph.nodeids.type"/>
        <xs:attribute form="unqualified" name="parse.edgeids" type="graph.edgeids.type"/>
        <xs:attribute form="unqualified" name="parse.order" type="graph.order.type"/>
        <xs:attribute form="unqualified" name="parse.nodes" type="graph.nodes.type"/>
        <xs:attribute form="unqualified" name="parse.edges" type="graph.edges.type"/>
        <xs:attribute form="unqualified" name="parse.maxindegree" type="graph.maxindegree.type"
            use="optional"/>
        <xs:attribute form="unqualified" name="parse.maxoutdegree" type="graph.maxoutdegree.type"
            use="optional"/>
    </xs:attributeGroup>
    <xs:simpleType final="#all" name="node.indegree.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Simple
                type for the parse.indegree attribute of &lt;node&gt;.       node.indegree.type is final,
                that is, it may not be extended                           or restricted.
                node.indegree.type is a restriction of xs:nonNegativeInteger       Allowed values:
                (no restriction).     </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:nonNegativeInteger"/>
    </xs:simpleType>
    <xs:simpleType final="#all" name="node.outdegree.type">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">       Simple
                type for the parse.outdegree attribute of &lt;node&gt;.       node.outdegree.type is final,
                that is, it may not be extended                           or restricted.
                node.outdegree.type is a restriction of xs:nonNegativeInteger       Allowed values:
                (no restriction).     </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:nonNegativeInteger"/>
    </xs:simpleType>
    <xs:attributeGroup name="node.parseinfo.attrib">
        <xs:annotation>
            <xs:documentation source="http://graphml.graphdrawing.org/" xml:lang="en">
                Definition of the attribute group node.parseinfo.attrib.      This group consists of
                two attributes      - parse.indegree (optional; indegree of this node),      -
                parse.outdegree (optional; outdegree of this node).     </xs:documentation>
        </xs:annotation>
        <xs:attribute form="unqualified" name="parse.indegree" type="node.indegree.type"
            use="optional"/>
        <xs:attribute form="unqualified" name="parse.outdegree" type="node.outdegree.type"
            use="optional"/>
    </xs:attributeGroup>
    <!-- Type of Grouping -->
    <xs:simpleType name="yfiles.foldertype.type">
        <xs:annotation>
            <xs:documentation>         The valid folder types for a folder/group node.
                    <p>Valid values are           <ul>
                        <li><b>folder</b>: for folder nodes</li>
                        <li><b>group</b>: for group nodes</li>
                        <li><b>leaf</b>: for leaf nodes (this is the implied value)</li>
                    </ul>
                </p>
            </xs:documentation>
        </xs:annotation>
        <xs:restriction base="xs:NMTOKEN">
            <xs:enumeration value="folder"/>
            <xs:enumeration value="group"/>
            <xs:enumeration value="leaf"/>
        </xs:restriction>
    </xs:simpleType>
</xs:schema>