Definition
/**
* Create a BatchingSpanProcessor.
*
* Collects spans in memory and exports them in batches for efficiency.
* Spans are exported when batch size is reached, flush() is called, or shutdown().
*
* @param SpanExporter $exporter The exporter to send spans to
* @param int $batchSize Number of spans to collect before exporting (default 512)
*/
batching_span_processor(SpanExporter $exporter, int $batchSize) : BatchingSpanProcessor