@Test void span_shared_PROTO3() {
    span = span.toBuilder().kind(Span.Kind.SERVER).shared(true).build();

    assertThat(SpanBytesEncoder.PROTO3.encode(span)).hasSize(184);
  }
the following skeletal span is used in dependency linking
zipkin/src/test/java/zipkin2/codec/SpanBytesEncoderTest.java