def METHOD_NAME():
    """
    Returns the argparse parser.
    """
    message_help = """
    Add replicas message:
        {'files': [{'scope': scope, 'name': name, 'bytes': 1L, 'adler32': ''},
                  {'scope': scope, 'name': name, 'bytes': 1L, 'adler32': ''}, ...],
         'rse': rse_cache_name,
         'lifetime': seconds,
         'operation': 'add_replicas'
        }
    Delete replicas message:
        {'files': [{'scope': scope, 'name': name}, {'scope': scope, 'name': name}, ...],
         'rse': rse_cache_name,
         'operation': 'delete_replicas'
        }