public Builder clearRequestId() {
      requestId_ = getDefaultInstance().getRequestId();
      bitField0_ = (bitField0_ & ~0x00000001);
      onChanged();
      return this;
    }
<pre>
Strongly recommended for the best service experience.

A unique ID generated in the API responses. It can be found in
[ResponseMetadata.request_id][google.cloud.talent.v4beta1.ResponseMetadata.request_id].
</pre>

<code>string request_id = 1;</code>

@return This builder for chaining.
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/ClientEvent.java