@java.lang.Override
    public Builder clear() {
      super.clear();
      bitField0_ = 0;
      captureTime_ = null;
      if (captureTimeBuilder_ != null) {
        captureTimeBuilder_.dispose();
        captureTimeBuilder_ = null;
      }
      type_ = null;
      if (typeBuilder_ != null) {
        typeBuilder_.dispose();
        typeBuilder_ = null;
      }
      metadata_ = null;
      if (metadataBuilder_ != null) {
        metadataBuilder_.dispose();
        metadataBuilder_ = null;
      }
      serverMetadata_ = null;
      if (serverMetadataBuilder_ != null) {
        serverMetadataBuilder_.dispose();
        serverMetadataBuilder_ = null;
      }
      seriesMetadata_ = null;
      if (seriesMetadataBuilder_ != null) {
        seriesMetadataBuilder_.dispose();
        seriesMetadataBuilder_ = null;
      }
      flags_ = 0;
      traceContext_ = "";
      return this;
    }
<pre>
The message that represents packet header.
</pre>

Protobuf type {@code google.cloud.visionai.v1.PacketHeader}
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/PacketHeader.java