code: function removeFilesFromCache(updateObject) {
      var fileList = updateObject.fileList || [],
          filesInSearchScope = updateObject.filesInSearchScope || [],
          i = 0;
      for (i = 0; i < fileList.length; i++) {
          delete projectCache[fileList[i]];
      }
      function isNotInRemovedFilesList(path) {
          return (filesInSearchScope.indexOf(path) === -1) ? true : false;
      }
      files = files ? files.filter(isNotInRemovedFilesList) : files;
  }
docs: Remove the list of given files from the project cache
  @param   {Object}   updateObject