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package xyz.driver.tracing
import scala.concurrent.Future
/** Interface to tracing aggregation backends. */
trait Tracer {
/** Submit a span to be sent to the aggregation backend.
*
* Note that submission typically happens asynchronously. Exact semantics are
* implementation-specific, however to guarantee of successful submission is
* made when this method returns. */
def submit(span: Span): Unit
/** Aggregate any potentially queued submissions and perform any cleanup logic. */
def close(): Future[_] = Future.successful(())
}
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