@java.lang.Override
        public Builder clear() {
          super.clear();
          bitField0_ = 0;
          description_ = null;
          if (descriptionBuilder_ != null) {
            descriptionBuilder_.dispose();
            descriptionBuilder_ = null;
          }
          attributes_ = null;
          if (attributesBuilder_ != null) {
            attributesBuilder_.dispose();
            attributesBuilder_ = null;
          }
          return this;
        }
<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