public Builder clearType() {
          bitField0_ = (bitField0_ & ~0x00000001);
          type_ = 0;
          onChanged();
          return this;
        }
<pre>
Type of MessageEvent. Indicates whether the message was sent or
received.
</pre>

<code>.google.devtools.cloudtrace.v2.Span.TimeEvent.MessageEvent.Type type = 1;</code>

@return This builder for chaining.
java-trace/proto-google-cloud-trace-v2/src/main/java/com/google/devtools/cloudtrace/v2/Span.java