add: DWREngine._batch.preHooks = []; DWREngine._batch.postHooks = []; 
context: DWREngine.beginBatch = function() {  if (DWREngine._batch) {    DWREngine._handleError("Batch already started.");    return;  }  // Setup a batch  DWREngine._batch = {};  DWREngine._batch.map = {};  DWREngine._batch.paramCount = 0;  DWREngine._batch.map.callCount = 0;  DWREngine._batch.metadata = {};};
meta: 266	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/266/4b60feb51dda7728db59af5a77dcd95cb3cd6f1c/engine.js/buggy/java/uk/ltd/getahead/dwr/engine.js