public static com.google.cloud.speech.v2.UpdateRecognizerRequest parseFrom(
      java.io.InputStream input, com.google.protobuf.ExtensionRegistryLite extensionRegistry)
      throws java.io.IOException {
    return com.google.protobuf.GeneratedMessageV3.parseWithIOException(
        PARSER, input, extensionRegistry);
  }
<pre>
If set, validate the request and preview the updated Recognizer, but do not
actually update it.
</pre>

<code>bool validate_only = 4;</code>

@return The validateOnly.
java-speech/proto-google-cloud-speech-v2/src/main/java/com/google/cloud/speech/v2/UpdateRecognizerRequest.java