* @return The metadata to be marshalled.
*/
@XmlElementRef
public AbstractContentInformation getElement() {
if (skip()) return null;
final ContentInformation metadata = this.metadata;
if (metadata instanceof ImageDescription) {
return MI_ImageDescription.castOrCopy((ImageDescription) metadata);
}
if (metadata instanceof CoverageDescription) {
return MI_CoverageDescription.castOrCopy((CoverageDescription) metadata);