le="annotation interface in jakarta.persistence">map collection</a>
     whose key type is an embeddable type is annotated
     <code>@Convert(attributeName="key.jobType")</code>, the
     converter is applied to the field or property named
     <code>jobType</code> of the map key class.
 </ul>

 <p>When <code>Convert</code> directly annotates the converted
 attribute, this member must not be specified. (In this case
 the path relative to the annotated element is simply the
 empty path.)</div>
<dl class="no