<?xml version="1.0" encoding="UTF-8"?>
<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:element name="values">
    <xs:complexType>
      <xs:sequence>
        <xs:element name="item" maxOccurs="unbounded" minOccurs="0">
          <xs:complexType>
            <xs:sequence>
              <xs:element name="component" maxOccurs="unbounded" minOccurs="0">
                <xs:complexType>
                  <xs:simpleContent>
                    <xs:extension base="xs:string">
                      <xs:attribute type="xs:string" name="name" use="required"/>
                    </xs:extension>
                  </xs:simpleContent>
                </xs:complexType>
              </xs:element>
            </xs:sequence>
            <xs:attribute type="xs:string" name="label" use="optional"/>
            <xs:attribute name="value" use="required">
                            <xs:annotation>
                            	<xs:documentation>The regular expression on the "value" attribute is as follows: 1) one of the special keywords as specified or 2) "#" followed by one or more characters</xs:documentation>
                            </xs:annotation>
                            <xs:simpleType>
            		<xs:restriction base="xs:string">
            			<xs:pattern
            				value="striped-diag-up|radial-grad|big-X|#.+">
            			</xs:pattern>
            		</xs:restriction>
            	</xs:simpleType>
            </xs:attribute>
          </xs:complexType>
        </xs:element>
      </xs:sequence>
      <xs:attribute type="xs:string" name="default" use="optional"/>
      <xs:attribute type="xs:string" name="label" use="optional"/>
    </xs:complexType>
  </xs:element>
</xs:schema>