source: osm/applications/editors/josm/plugins/graphview/test/data/accessRuleset_valid.xml

<accessRuleset>
        <unknown></unknown>
        <classes>
                <class name="vehicle">
                        <class name="motor_vehicle">
                                <class name="bus"></class>
                        </class>
                        <class name="bicycle" />
                </class>
        </classes>
        <unknown />
        
        <basetags>
                <tag k="highway" v="residential"/>
                <tag k="highway" v="cycleway"/>         
        </basetags>
        
        <implications>
                <implication>
                        <condition>
                                <tag k="highway" v="cycleway"/>
                        </condition>
                        <implies>
                                <tag k="bicycle" v="designated"/>
                        </implies>
                </implication>
                <implication>
                        <condition>
                                <and>
                                        <tag k="highway" v="steps"/>
                                        <not>
                                                <key k="escalator"/>
                                        </not>
                                </and>
                        </condition>
                        <implies>
                                <tag k="normal_steps" v="yes"/>
                        </implies>
                </implication>
                <implication>
                        <condition>
                                <or>
                                        <tag k="construction" v="yes"/>
                                        <tag k="disused" v="yes"/>
                                        <tag k="abandoned" v="yes"/>
                                </or>
                        </condition>
                        <implies>
                                <tag k="usable" v="no"/>
                        </implies>
                </implication>
        </implications>
        
</accessRuleset>