private void buildPartialRepeatedFields(com.google.devtools.cloudtrace.v2.Span.Links result) {
        if (linkBuilder_ == null) {
          if (((bitField0_ & 0x00000001) != 0)) {
            link_ = java.util.Collections.unmodifiableList(link_);
            bitField0_ = (bitField0_ & ~0x00000001);
          }
          result.link_ = link_;
        } else {
          result.link_ = linkBuilder_.build();
        }
      }
<pre>
A collection of links, which are references from this span to a span
in the same or different trace.
</pre>

Protobuf type {@code google.devtools.cloudtrace.v2.Span.Links}
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/Span.java