public Builder clearRequestMetadata() {
      bitField0_ = (bitField0_ & ~0x00000004);
      requestMetadata_ = null;
      if (requestMetadataBuilder_ != null) {
        requestMetadataBuilder_.dispose();
        requestMetadataBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Required. The meta information collected about the job searcher, used to
improve the search quality of the service. The identifiers (such as
`user_id`) are provided by users, and must be unique and consistent.
</pre>

<code>
.google.cloud.talent.v4beta1.RequestMetadata request_metadata = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/SearchJobsRequest.java