@Test void noAnnotations_rootServerSpan_PROTO3_shared() {
    span = NO_ANNOTATIONS_ROOT_SERVER_SPAN.toBuilder().shared(true).build();

    assertThat(SpanBytesEncoder.PROTO3.encode(span)).hasSize(111);
  }
the following skeletal span is used in dependency linking
zipkin/src/test/java/zipkin2/codec/SpanBytesEncoderTest.java