code: def get_ttl(key_options, global_options, *_):
      
      ttl = get_option('ttl', key_options, global_options)
      if ttl is None or ttl == 0:
          return 0
  
      try:
          ttl = int(ttl)
          if ttl < 0:
              raise ArgumentError.pyexc("TTL cannot be negative", obj=ttl)
          elif ttl > 1 << 31:
              raise ArgumentError.pyexc("TTL Value too large", obj=ttl)
          return ttl
      except CouchbaseError:
          raise
      except Exception as e:
          raise ArgumentError.pyexc(inner=e, obj=ttl)
docs: Quick function to extract the expiration time from options. Throws
      appropriate exceptions when necessary
      :param key_options:
      :param global_options:
      :return: