utils._check_uint64(default_clock_snapshot)
ptr = native_bt.message_packet_beginning_create_with_default_clock_snapshot(
self._ptr, packet._ptr, default_clock_snapshot)
else:
if default_clock_snapshot is not None:
utils._check_uint64(default_clock_snapshot)
ptr = native_bt.message_packet_beginning_create_with_default_clock_snapshot(
self._ptr, packet._ptr, default_clock_snapshot)
else:
if default_clock_snapshot is not None: