HTTP::OAI::Metadata - Base class for data objects that contain DOM trees

       $md->dom( [$dom] )
           Return  and optionally set the XML DOM object that contains the actual metadata. If you intend to use
           the generate() method $dom must be a XML_DOCUMENT_NODE.

perl v5.36.0                                       2023-09-28                           HTTP::OAI::Metadata(3pm)

       HTTP::OAI::Metadata - Base class for data objects that contain DOM trees

               use HTTP::OAI::Metadata;

               $xml = XML::LibXML::Document->new();
               $xml = XML::LibXML->new->parse( ... );

           $md = new HTTP::OAI::Metadata();

           $md->dom($xml);

               $md = new HTTP::OAI::Metadata(dom=>$xml);

               print $md->dom->toString;

               my $dom = $md->dom(); # Return internal DOM tree