Optionalsampledfalse makes every span non-recording (isRecording() === false), like a sampler dropping it. Default true.
OptionalwithImplement withSpan (the backend-context bridge). Default true.
Optionalw3cW3C-shaped ids (32/16 lowercase hex, deterministic) instead of the short t…/s…
ones, so span contexts can be carried as a traceparent (checkpoints). Default false.
OptionaltraceA W3C tracestate every span context reports (e.g. to test that it is carried).
Options of createRecordingTracer.