private void buildPartialRepeatedFields(
          com.google.devtools.cloudtrace.v2.Span.TimeEvents result) {
        if (timeEventBuilder_ == null) {
          if (((bitField0_ & 0x00000001) != 0)) {
            timeEvent_ = java.util.Collections.unmodifiableList(timeEvent_);
            bitField0_ = (bitField0_ & ~0x00000001);
          }
          result.timeEvent_ = timeEvent_;
        } else {
          result.timeEvent_ = timeEventBuilder_.build();
        }
      }
<pre>
A collection of `TimeEvent`s. A `TimeEvent` is a time-stamped annotation
on the span, consisting of either user-supplied key:value pairs, or
details of a message sent/received between Spans.
</pre>

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