docs: @Singleton
      @Requires(classes = {BraveTracer.class, Tracer.class})
      @Primary
      Tracer braveTracer(Tracing tracing) {
          BraveTracer braveTracer = BraveTracer.create(tracing);
          if (!GlobalTracer.isRegistered()) {
              GlobalTracer.register(braveTracer);
          }
          return braveTracer;
      }