sink

def emit(self, span: ReadableSpan) -> None

def export_health(self) -> ExportHealth

def force_flush(self, timeout_millis: int=30000) -> bool

def shutdown(self) -> None

def build_batch_processor(exporter: SpanExporter,
                          config: BatchConfig | None=None) -> BatchSpanProcessor

def build_span_sink(exporter: SpanExporter,
                    batch_config: BatchConfig | None=None) -> SpanSink