@java.lang.Override
      public com.google.protobuf.Descriptors.Descriptor getDescriptorForType() {
        return com.google.devtools.cloudtrace.v2.TraceProto
            .internal_static_google_devtools_cloudtrace_v2_Span_TimeEvents_descriptor;
      }
<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