code: def __zone_sort_key(zone):
      """Sort by absolute UTC offset at reference date,
      positive first, with ties broken by name.
      """
      assert zone is not None
      offset = zone.utcoffset(dt.datetime(2000, 1, 1))
      offset = 999 if offset is None else offset
      return (abs(offset), -offset, str(zone))
  
imports: import datetime
  from dateutil import tz, zoneinfo
  from hypothesis import strategies
  from hypothesis.strategies._internal.utils import cacheable, defines_strategy
label_desc: Use image node_id 1 for calling a global function with example usage: __zone_sort_key(zone) and returns: abs,  unknown,  str