public Builder setRequestMetadata(com.google.cloud.talent.v4.RequestMetadata value) {
      if (requestMetadataBuilder_ == null) {
        if (value == null) {
          throw new NullPointerException();
        }
        requestMetadata_ = value;
      } else {
        requestMetadataBuilder_.setMessage(value);
      }
      bitField0_ |= 0x00000004;
      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.v4.RequestMetadata request_metadata = 3 [(.google.api.field_behavior) = REQUIRED];
</code>
java-talent/proto-google-cloud-talent-v4/src/main/java/com/google/cloud/talent/v4/SearchJobsRequest.java