code: def parse_literals(region_literals, contig_map=None):
      """Parses each literal of region_literals in order."""
      return [
          parse_literal(literal, contig_map)
          for literal in region_literals
      ]
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import re
  from typing import Dict, Iterable, Optional, Sequence
  from absl import logging
  from etils import epath
  import intervaltree
  import six
  from third_party.nucleus.io import bed
  from third_party.nucleus.protos import position_pb2
  from third_party.nucleus.protos import range_pb2
  from third_party.nucleus.protos import reference_pb2
  from third_party.nucleus.protos import variants_pb2
label_desc: Use image node_id 11 for calling a global function with example usage: parse_literals(region_literals, contig_map) and returns: unknown