public com.google.devtools.cloudtrace.v2.Span.LinksOrBuilder getLinksOrBuilder() {
      if (linksBuilder_ != null) {
        return linksBuilder_.getMessageOrBuilder();
      } else {
        return links_ == null
            ? com.google.devtools.cloudtrace.v2.Span.Links.getDefaultInstance()
            : links_;
      }
    }
<pre>
Links associated with the span. You can have up to 128 links per Span.
</pre>

<code>.google.devtools.cloudtrace.v2.Span.Links links = 10;</code>
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/Span.java