public Builder setMetadata(
          com.google.cloud.visionai.v1.RequestMetadata.Builder builderForValue) {
        if (metadataBuilder_ == null) {
          metadata_ = builderForValue.build();
        } else {
          metadataBuilder_.setMessage(builderForValue.build());
        }
        bitField0_ |= 0x00000004;
        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