 					callback null, doc, !existingDoc?
 
 	# FIXME: this method needs to be changed, currently it needs a lock around an upload to S3 because
-	# there is no way to know in advance if the file is a replace or an insert (at least you have to 
+	# there is no way to know in advance if the file is a replace or an insert (at least you have to
 	# take the lock to find that out and do any operation in that lock).  In the new scheme any upsert
-	# should always create the new file (outside the lock) in S3 first and then make the changes to the 
+	# should always create the new file (outside the lock) in S3 first and then make the changes to the
 	# project in a lock, marking the old file as deleted if it exists.
 	upsertFile: wrapWithLock (project_id, folder_id, fileName, fsPath, linkedFileData, userId, callback = (err, file, isNewFile)->)->
 		ProjectLocator.findElement project_id: project_id, element_id: folder_id, type: "folder", (error, folder) ->

				]
				DocumentUpdaterHandler.updateProjectStructure project_id, userId, {newFiles}, (error) ->
					return callback(error) if error?
					callback(null, fileRef, folder_id) 

	replaceFile: wrapWithLock
		beforeLock: (next) ->

				return callback(err)
			TpdsUpdateSender.addFile {project_id:project_id, file_id:fileRef._id, path:result?.path?.fileSystem, project_name:project.name, rev:fileRef.rev}, (err) ->
				return callback(err) if err?
				callback(null, result, project)

	addFile: wrapWithLock
		beforeLock: (next) ->
			(project_id, folder_id, fileName, fsPath, linkedFileData, userId, callback) ->
				ProjectEntityUpdateHandler.uploadFile project_id, folder_id, fileName, fsPath, linkedFileData, userId, (error, fileRef, fileStoreUrl) ->
