code: function(requestId, itemNames) {
  		return protocol.implodeMessage(requestId,
  			metadataMethods.GET_ITEMS,
  			protocol.implodeDataArray(itemNames));
  	}
docs: Encodes a successful get items reply.
  
  @param {String} requestId the originating request id
  @param {Array} itemNames an array of item name strings
  @return {String} the encoded message
  @private