@java.lang.Override
    public com.google.cloud.texttospeech.v1.ListVoicesRequest getDefaultInstanceForType() {
      return com.google.cloud.texttospeech.v1.ListVoicesRequest.getDefaultInstance();
    }
<pre>
The top-level message sent by the client for the `ListVoices` method.
</pre>

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