anchor.diff:                          name="convert-group"
                           minOccurs="0"
                           maxOccurs="unbounded"/>
  +            <xs:element type="map:containerElementTypeType"
  +                        name="containerElementType"
  +                        minOccurs="0"
  +                        maxOccurs="unbounded"/>
               <xs:element type="map:constraintType"
                           name="constraint"
                           minOccurs="0"
  
positive.code:                         name="convert-group"
                          minOccurs="0"
                          maxOccurs="unbounded"/>
              <xs:element type="map:constraintType"
                          name="constraint"
                          minOccurs="0"
  
negative.code: [source, XML]
  ----
  <?xml version="1.0" encoding="UTF-8"?>
  <!--
    ~ Bean Validation API
    ~
    ~ License: Apache License, Version 2.0
    ~ See the license.txt file in the root directory or <http://www.apache.org/licenses/LICENSE-2.0>.
    -->
  <xs:schema attributeFormDefault="unqualified"
             elementFormDefault="qualified"
             targetNamespace="http://xmlns.jcp.org/xml/ns/validation/mapping"
  