// Generated by the protocol buffer compiler.  DO NOT EDIT!
// source: google/cloud/texttospeech/v1beta1/cloud_tts.proto

package com.google.cloud.texttospeech.v1beta1;

/**
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   * <pre>
   * The top-level message sent by the client for the `ListVoices` method.
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     * Optional (but recommended)
     * [BCP-47](https://www.rfc-editor.org/rfc/bcp/bcp47.txt) language tag. If
     * specified, the ListVoices call will only return voices that can be used to
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     * supported "en-*" voices; when specifying "no", you will get supported
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