code: function transform( nodes ) {
  	var type;
  	var desc;
  	if ( nodes[ 0 ].type ) {
  		if ( nodes[ 0 ].type.names.length === 1 ) {
  			type = nodes[ 0 ].type.names[ 0 ];
  		} else {
  			type = nodes[ 0 ].type.names;
  		}
  	} else {
  		type = '';
  	}
  	desc = nodes[ 0 ].description || '';
  	return {
  		'type': type,
  		'description': desc
  	};
  }
docs: Transforms `returns` doclet elements.
  
  @param {Object[]} nodes - doclet elements
  @returns {Object} filtered object