alfresco-community-repo/config/alfresco/model/jcrModel.xml

<model name="jcr:jcrmodel" xmlns="http://www.alfresco.org/model/dictionary/1.0">

   <description>JCR Model Definitions</description>
   <version>1.0</version>

   <imports>
      <import uri="http://www.alfresco.org/model/dictionary/1.0" prefix="d" />
      <import uri="http://www.alfresco.org/model/system/1.0" prefix="sys" />
   </imports>

   <namespaces>
      <namespace uri="http://www.jcp.org/jcr/1.0" prefix="jcr" />
      <namespace uri="http://www.jcp.org/jcr/nt/1.0" prefix="nt" />
      <namespace uri="http://www.jcp.org/jcr/mix/1.0" prefix="mix" />
      <namespace uri="http://www.jcp.org/jcr/sv/1.0" prefix="sv" />
      <namespace uri="http://www.w3.org/XML/1998/namespace" prefix="xml" />
   </namespaces>

   <types>

      <type name="nt:base">
         <parent>sys:base</parent>
         <properties>
            <property name="jcr:primaryType">
               <type>d:qname</type>
               <protected>true</protected>
               <mandatory>true</mandatory>
            </property>
            <property name="jcr:mixinTypes">
               <type>d:qname</type>
               <protected>true</protected>
               <multiple>true</multiple>
            </property>
         </properties>
      </type>

      <type name="nt:hierarchyNode">
         <parent>nt:base</parent>
         <properties>
            <property name="jcr:created">
               <type>d:date</type>
               <protected>true</protected>
               <mandatory>false</mandatory>
               <multiple>false</multiple>
            </property>
         </properties>
      </type>

      <type name="nt:file">
         <parent>nt:hierarchyNode</parent>
         <associations>
            <child-association name="jcr:content">
               <source>
                  <mandatory>false</mandatory>
                  <many>true</many>
               </source>
               <target>
                  <class>nt:base</class>
                  <mandatory>true</mandatory>
                  <many>false</many>
               </target>
               <child-name>jcr:content</child-name>
               <duplicate>false</duplicate>
            </child-association>
         </associations>         
      </type>         

      <type name="nt:folder">
         <parent>nt:hierarchyNode</parent>
         <associations>
            <child-association name="jcr:contains">
               <source>
                  <mandatory>false</mandatory>
                  <many>true</many>
               </source>
               <target>
                  <class>nt:hierarchyNode</class>
                  <mandatory>false</mandatory>
                  <many>true</many>
               </target>
               <duplicate>false</duplicate>
            </child-association>
         </associations>         
      </type>         

      <type name="nt:resource">
         <parent>nt:base</parent>
         <properties>
            <property name="jcr:encoding">
               <type>d:text</type>
               <protected>false</protected>
               <mandatory>false</mandatory>
               <multiple>false</multiple>
            </property>
            <property name="jcr:mimeType">
               <type>d:text</type>
               <protected>false</protected>
               <mandatory>true</mandatory>
               <multiple>false</multiple>
            </property>
            <property name="jcr:data">
               <type>d:content</type>
               <protected>false</protected>
               <mandatory>true</mandatory>
               <multiple>false</multiple>
               <index enabled="true">
                  <atomic>true</atomic>
                  <stored>false</stored>
                  <tokenised>true</tokenised>
               </index>
            </property>
            <property name="jcr:lastModified">
               <type>d:date</type>
               <protected>false</protected>
               <mandatory>true</mandatory>
               <multiple>false</multiple>
            </property>
         </properties>
         <mandatory-aspects>
            <aspect>mix:referenceable</aspect>
         </mandatory-aspects>
      </type>

   </types>

   <aspects>

      <aspect name="mix:referenceable">
         <properties>
            <property name="jcr:uuid">
               <type>d:text</type>
               <protected>true</protected>
               <mandatory>true</mandatory>
            </property>
         </properties>
      </aspect>

      <aspect name="mix:lockable">
         <properties>
            <property name="jcr:lockOwner">
               <type>d:text</type>
            </property>
            <property name="jcr:lockIsDeep">
               <type>d:boolean</type>
            </property>
         </properties>
      </aspect>

   </aspects>

</model>