public override Instant Read(NpgsqlReadBuffer buf, int len, FieldDescription?fieldDescription = null)
 => TimestampTzHandler.ReadInstant(buf);
 public override void Write(Instant value, NpgsqlWriteBuffer buf, NpgsqlParameter?parameter)
 => TimestampTzHandler.WriteInstant(value, buf);
 public LegacyTimestampTzHandler(PostgresType postgresType)
     : base(postgresType)
 {
     _dateTimeZoneProvider = DateTimeZoneProviders.Tzdb;
     _wrappedHandler       = new TimestampTzHandler(postgresType);
 }