const go.opentelemetry.io/otel/api/trace.b3ContextHeader

4 uses

	go.opentelemetry.io/otel/api/trace (current package)
		b3_propagator.go#L27: 	b3ContextHeader      = "b3"
		b3_propagator.go#L122: 		supplier.Set(b3ContextHeader, strings.Join(header, "-"))
		b3_propagator.go#L152: 	if h := supplier.Get(b3ContextHeader); h != "" {
		b3_propagator.go#L177: 		header = append(header, b3ContextHeader)