@java.lang.Override
        public com.google.devtools.cloudtrace.v2.Span.TimeEvent.Annotation buildPartial() {
          com.google.devtools.cloudtrace.v2.Span.TimeEvent.Annotation result =
              new com.google.devtools.cloudtrace.v2.Span.TimeEvent.Annotation(this);
          if (bitField0_ != 0) {
            buildPartial0(result);
          }
          onBuilt();
          return result;
        }
<pre>
Text annotation with a set of attributes.
</pre>

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