@Test void toStringContainsOnlySummaryInformation() {
    try (ScribeCollector scribe = ScribeCollector.newBuilder().storage(storage).port(0).build()) {

      assertThat(scribe.start())
        .hasToString("ScribeCollector{port=" + scribe.port() + ", category=zipkin}");
    }
  }
The {@code toString()} of {@link Component} implementations appear in health check endpoints.
Since these are likely to be exposed in logs and other monitoring tools, care should be taken
to ensure {@code toString()} output is a reasonable length and does not contain sensitive
information.
zipkin-collector/scribe/src/test/java/zipkin2/collector/scribe/ScribeCollectorTest.java