@java.lang.Override
  public void writeTo(com.google.protobuf.CodedOutputStream output) throws java.io.IOException {
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(application_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 1, application_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(instanceId_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 2, instanceId_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(node_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 3, node_);
    }
    if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(processor_)) {
      com.google.protobuf.GeneratedMessageV3.writeString(output, 4, processor_);
    }
    getUnknownFields().writeTo(output);
  }
<pre>
The referred processor resource name of the application node.
</pre>

<code>string processor = 4;</code>

@return The bytes for processor.
java-visionai/proto-google-cloud-visionai-v1/src/main/java/com/google/cloud/visionai/v1/AppPlatformMetadata.java