code: def getJobStore(cls, locator):
          
          name, rest = cls.parseLocator(locator)
          if name == 'file':
              from toil.jobStores.fileJobStore import FileJobStore
              return FileJobStore(rest)
          elif name == 'aws':
              from toil.jobStores.aws.jobStore import AWSJobStore
              return AWSJobStore(rest)
          elif name == 'azure':
              from toil.jobStores.azureJobStore import AzureJobStore
              return AzureJobStore(rest)
          elif name == 'google':
              from toil.jobStores.googleJobStore import GoogleJobStore
              return GoogleJobStore(rest)
          else:
              raise RuntimeError("Unknown job store implementation '%s'" % name)
docs: Create an instance of the concrete job store implementation that matches the given locator.
  
          :param str locator: The location of the job store to be represent by the instance
  
          :return: an instance of a concrete subclass of AbstractJobStore
          :rtype: toil.jobStores.abstractJobStore.AbstractJobStore