public BigQueryConnection(BigQuerySinkOptions sinkOptions) =>
public SinkTest(BigQuerySinkOptions sinkOptions, IConnection connection) : base(sinkOptions, connection) { }
public BigQuerySink(BigQuerySinkOptions sinkOptions, IConnection connection) : base(sinkOptions.BatchSizeLimit, new TimeSpan(0, 0, sinkOptions.PeriodSeconds)) { _sinkOptions = sinkOptions; _connection = connection; }