private function processCustomLinkbases( &$linkbaseType )
	{
		// $this->log()->info( "Process definition linkbases: " . $this->namespace );
		foreach ( $linkbaseType as $linkbaseRefkey => &$linkbaseRef )
		{
			$this->processCustomLinkbaseArcRoles( $linkbaseRef );
			$linkbaseRef['processed'] = true;
		}
	}