public Builder clearMetadata() {
      bitField0_ = (bitField0_ & ~0x00000004);
      metadata_ = null;
      if (metadataBuilder_ != null) {
        metadataBuilder_.dispose();
        metadataBuilder_ = null;
      }
      onChanged();
      return this;
    }
<pre>
Additional information for the API invocation, such as the request
tracking id.
</pre>

<code>.google.cloud.talent.v4beta1.ResponseMetadata metadata = 3;</code>
java-talent/proto-google-cloud-talent-v4beta1/src/main/java/com/google/cloud/talent/v4beta1/ListTenantsResponse.java