public Builder clearMetadata() {
        bitField0_ = (bitField0_ & ~0x00000004);
        metadata_ = null;
        if (metadataBuilder_ != null) {
          metadataBuilder_.dispose();
          metadataBuilder_ = null;
        }
        onChanged();
        return this;
      }
<pre>
The configurations that specify where packets are retrieved.
</pre>

<code>.google.cloud.visionai.v1.RequestMetadata metadata = 1;</code>
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/ReceivePacketsRequest.java