parameters: (self)
docstring: Returns the function that executes the operation on the batch.
docstring_summary: Returns the function that executes the operation on the batch.
docstring_tokens: Returns the function that executes the operation on the batch .
function: def batch_runner_fn(self):
      """Returns the function that executes the operation on the batch."""
function_tokens: def batch_runner_fn ( self ) :