docs: function (logicalPath, timestampNextTime) {
              var content = this._cache.content;
              delete content.files[logicalPath];
              var url = this.resolveURL(logicalPath);
              delete content.urls[url];
              if (timestampNextTime) {
                  this.enableURLTimestamp(url, true); // browser cache will be bypassed next time the file is loaded
              }
          }