private nodeJSTraversal(folderQuery: IFolderSearch, onResult: (result: IRawFileMatch) => void, onMessage: (message: IProgress) => void, done: (err?: Error) => void): void {
		this.directoriesWalked++;
		extfs.readdir(folderQuery.folder, (error: Error, files: string[]) => {
			if (error || this.isCanceled || this.isLimitHit) {
				return done();
			}

			// Support relative paths to files from a root resource (ignores excludes)
			return this.checkFilePatternRelativeMatch(folderQuery.folder, (match, size) => {
				if (this.isCanceled || this.isLimitHit) {
					return done();
				}

				// Report result from file pattern if matching
				if (match) {
					this.resultCount++;
					onResult({
						base: folderQuery.folder,
						relativePath: this.filePattern,
						basename: path.basename(this.filePattern),
						size
					});
				}

				return this.doWalk(folderQuery, '', files, onResult, done);
			});
		});
	}

	private nodeJSTraversal(folderQuery: IFolderQuery, onResult: (result: IRawFileMatch) => void, onMessage: (message: IProgress) => void, done: (err?: Error) => void): void {
		this.directoriesWalked++;
		extfs.readdir(folderQuery.folder.fsPath, (error: Error, files: string[]) => {
			if (error || this.isCanceled || this.isLimitHit) {
				return done();
			}

			if (this.isCanceled || this.isLimitHit) {
				return done();
			}

			return this.doWalk(folderQuery, '', files, onResult, done);
		});
	}

						return this.realPathIfNeeded(currentAbsolutePath, lstat, (error, realpath) => {
							if (error || this.isCanceled || this.isLimitHit) {
								return clb(null, undefined);
							}

							if (this.walkedPaths[realpath]) {
								return clb(null, undefined); // escape when there are cycles (can happen with symlinks)
							}

							this.walkedPaths[realpath] = true; // remember as walked

							// Continue walking
							return extfs.readdir(currentAbsolutePath, (error: Error, children: string[]): void => {
								if (error || this.isCanceled || this.isLimitHit) {
									return clb(null, undefined);
								}

								this.doWalk(folderQuery, currentRelativePath, children, onResult, err => clb(err, undefined));
							});
						});