<DocumentDefinition>
<name>_test_doc_read_blob_validation</name>
<blob_element><name>data_blob</name></blob_element>
<required>'data_blob'</required>
<store>
<name>main</name>
<base>test/blob_read_validation</base>
<location>Sequential_file:'extension','.doctest'</location>
</store>
</DocumentDefinition>